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Round Wire Springs -Spring Constant 0.5~1.0 N/mm-

・Materials
[ M ] Material: Spring Steel (ASTM A228)

Specifications

Round Wire Springs -Spring Constant 0.5~1.0 N/mm-:Related Image
■WF: Fmax. (Allowable Deflection) = L x 45%
dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
0.2622.251.1{0.11}WF3-






 5*
0.3254.52.2{0.22}10*
0.3256.73.2{0.33}15*
0.35794.4{0.45}20*
0.35711.25.5{0.56}25*
0.413.213.56.6{0.67}30
0.413.215.77.6{0.78}35
0.413.2188.8{0.9}40
0.322.32.251.1{0.11}WF4-












 5*
0.353.14.52.2{0.22}10*
0.45.66.73.2{0.33}15*
0.45.694.4{0.45}20*
0.459.911.25.5{0.56}25*
0.459.913.56.6{0.67}30*
0.516.515.77.6{0.78}35
0.516.5188.8{0.9}40
0.516.5209.8{1.0}45
0.516.522.510.8{1.1}50
0.516.524.712.1{1.23}55
0.516.52712.7{1.3}60
0.5526.429.214.3{1.46}65*
0.5526.431.515.4{1.58}70*
0.3522.251.1{0.11}WF5-













 5*
0.382.84.52.2{0.22}10*
0.43.46.73.2{0.33}15*
0.455.494.4{0.45}20*
0.58.511.25.5{0.56}25*
0.5513.213.56.6{0.67}30
0.5513.215.77.6{0.78}35
0.5520.4188.8{0.9}40
0.620.4209.8{1.0}45
0.620.422.510.8{1.1}50
0.620.424.712.1{1.23}55
0.620.42712.7{1.3}60
0.620.429.214.3{1.5}65
0.620.431.515.4{1.6}70
0.42.32.251.1{0.11}WF6-














 5*
0.554.52.2{0.22}10
0.5586.73.2{0.33}15
0.55894.4{0.45}20
0.61211.25.5{0.56}25
0.651613.56.6{0.67}30
0.651715.77.6{0.78}35
0.6517188.8{0.9}40
0.6517209.8{1.0}45
0.725.222.510.8{1.1}50
0.725.224.712.1{1.23}55
0.725.22712.7{1.3}60
0.725.229.214.3{1.46}65
0.725.231.514.7{1.5}70
0.725.23617.7{1.8}80
0.654.52.2{0.22}WF8-












10
0.657.56.73.2{0.33}15
0.710.894.4{0.45}20
0.710.811.25.5{0.56}25
0.7514.513.56.6{0.67}30
0.7514.515.77.6{0.78}35
0.820188.8{0.9}40
0.820209.8{1.0}45
0.82022.510.8{1.1}50
0.82024.712.1{1.23}55
0.8527.62712.7{1.3}60
0.8527.629.214.3{1.46}65
0.8527.631.514.7{1.5}70
0.8528.13617.7{1.8}80

dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
0.6554.52.2{0.22}WF10-













10
0.6556.73.2{0.33}15
0.810.494.4{0.45}20
0.810.411.25.5{0.56}25
0.851413.56.6{0.67}30
0.851415.77.6{0.78}35
0.917.5188.8{0.9}40
0.917.5209.8{1.0}45
0.917.522.510.8{1.1}50
0.917.524.712.1{1.23}55
1.0312712.7{1.3}60
1.03129.214.3{1.46}65
1.03131.514.7{1.5}70
1.0313617.7{1.8}80
0.74.64.52.3{0.23}WF12-












10
0.74.66.73.2{0.33}15
0.87.294.4{0.45}20
0.87.211.25.5{0.56}25
0.911.313.56.6{0.67}30
0.911.315.77.6{0.78}35
0.911.3188.8{0.9}40
0.911.3209.8{1.0}45
1.01822.510.8{1.1}50
1.01824.712.1{1.23}55
1.0182712.7{1.3}60
1.01829.214.3{1.46}65
1.128.131.514.7{1.5}70
1.127.53617.7{1.8}80
0.754.94.52.3{0.23}WF13-













10
0.866.73.2{0.33}15
0.8694.4{0.45}20
0.857.211.25.5{0.56}25
1.01513.56.6{0.67}30
1.01515.77.6{0.78}35
1.015188.8{0.9}40
1.015209.8{1.0}45
1.01522.510.8{1.1}50
1.12224.712.1{1.23}55
1.1222712.7{1.3}60
1.12229.214.3{1.46}65
1.12231.514.7{1.5}70
1.1223617.7{1.8}80
1.233.640.519.9{2.0}90
0.85.26.73.2{0.33}WF14-












15
0.97.994.4{0.45}20
0.97.911.25.5{0.56}25
1.01213.56.6{0.67}30
1.01215.77.6{0.78}35
1.012188.8{0.9}40
1.012209.8{1.0}45
1.118.222.510.8{1.1}50
1.118.224.712.1{1.23}55
1.118.22712.7{1.3}60
1.227.629.214.3{1.46}65
1.227.631.514.7{1.5}70
1.227.63617.7{1.8}80
1.339.740.519.9{2.0}90

dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
0.96.36.73.2{0.33}WF16-












15
1.08.794.4{0.45}20
1.08.711.25.5{0.56}25
1.112.813.56.6{0.67}30
1.112.815.77.6{0.78}35
1.218.6188.8{0.9}40
1.218.6209.8{1.0}45
1.218.622.510.8{1.1}50
1.218.624.712.1{1.23}55
1.326.82712.7{1.3}60
1.326.829.214.3{1.46}65
1.326.831.514.7{1.5}70
1.4363617.7{1.8}80
1.436.440.519.9{2.0}90
1.2998.8{0.9}WF18-










20
1.312.411.210.8{1.1}25
1.312.413.512.7{1.3}30
1.416.115.714.7{1.5}35
1.5211817.7{1.8}40
1.5212019.9{2.03}45
1.52122.522.1{2.25}50
1.628.824.724.3{2.48}55
1.628.82726.5{2.7}60
1.628.829.228.7{2.93}65
1.737.431.530.9{3.15}70
1.737.43635.3{3.6}80
1.27.298.8{0.9}WF20-











20
1.39.811.210.8{1.1}25
1.412.613.512.7{1.3}30
1.412.615.714.7{1.5}35
1.516.51817.7{1.8}40
1.516.52019.9{2.03}45
1.621.622.522.1{2.25}50
1.621.624.724.3{2.48}55
1.621.62726.5{2.7}60
1.728.129.228.7{2.93}65
1.728.131.530.9{3.15}70
1.728.13635.3{3.6}80
1.37.898.8{0.9}WF22-











20
1.410.511.211.0{1.12}25
1.410.513.513.2{1.35}30
1.513.515.715.4{1.57}35
1.513.51817.7{1.8}40
1.722.120.219.8{2.02}45
1.722.122.522.1{2.25}50
1.722.124.724.2{2.47}55
1.828.82726.5{2.7}60
1.828.829.228.6{2.92}65
1.828.831.530.9{3.15}70
1.828.83635.3{3.6}80
1.714.113.513.2{1.35}WF27-









30
1.714.115.715.4{1.57}35
1.714.11817.7{1.8}40
1.921.420.219.8{2.02}45
1.921.422.522.1{2.25}50
2.02624.724.2{2.47}55
2.0262726.5{2.7}60
2.02629.228.6{2.92}65
2.02631.530.9{3.15}70
2.0263635.3{3.6}80
- Load Calculation Method: Load = Spring Constant x Deflection
    (Int'l Unit)N=N/mmxFmm
kgf=kgf/mmxFmm
(kgf=Nx0.101972)

[ ! ]Both ends of * marked WF Type springs are not ground.
[ ! ]The values of solid length are for reference only.
 There may be some variations depending on the lot.
[ ! ]Operation frequency: One million times
[ ! ]Product Overview >> Click here
[ ! ]How to use coil springs and precautions >> Click here
■Spring Constant [ ! ]D12 and 14 for WY Type and D12,14 and 20 for WT Type are not available.
Type
D
WYWRWFWLWTWMWHWB
2          0.5{0.05}             
3 N/mm
0.1
{kgf/mm} {0.01}
  N/mm 0.3
{kgf/mm} {0.03}
  N/mm 0.5
{kgf/mm} {0.05}
  N/mm 1.0
{kgf/mm} {0.1}
  1.5
{0.15}
  2.0
{0.2}
     3.9{0.4} 
4             2.9{0.3}  4.9{0.5} 
5         N/mm 2.0
{kgf/mm} {0.2}
  N/mm 2.9
{kgf/mm} {0.3}
  N/mm 5.9
{kgf/mm} {0.6}
  N/mm 9.8
{kgf/mm} {1.0}
 
6                
8                
10 N/mm 0.2
{kgf/mm} {0.02}
               
12                
13             N/mm 9.8
{kgf/mm} {1.0}
  N/mm 19.6
{kgf/mm} {2.0}
 
14                
16                
18    N/mm 0.5
{kgf/mm} {0.05}
  N/mm 1.0
{kgf/mm} {0.1}
  N/mm 2.9
{kgf/mm} {0.3}
  N/mm 3.9
{kgf/mm} {0.4}
  N/mm 4.9
{kgf/mm} {0.5}
  N/mm 14.7
{kgf/mm} {1.5}
  29.4{3.0} 
20                  
22                N/mm 29.4
{kgf/mm}
{3.0}
 
27                 
Fmax.F=Lx75%F=Lx60%F=Lx45%F=Lx40%F=Lx40%F=Lx35%F=Lx30%F=Lx25%
■WL: Fmax. (Allowable Deflection) = L x 40%
dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
0.21.720.98{0.1}WL2-




 5*
0.265.242.0 {0.2}10*
0.265.262.9 {0.3}15*
0.29983.9 {0.4}20*
0.299104.9 {0.5}25*
0.310.8125.9 {0.6}30*
0.32.122.0 {0.2}WL3-







 5*
0.353.943.9 {0.4}10*
0.46.565.9 {0.6}15*
0.46.587.8 {0.8}20*
0.4513109.8 {1.0}25*
0.45131211.8 {1.2}30*
0.45131413.7 {1.4}35*
0.5211615.7 {1.6}40*
0.352.122.0 {0.2}WL4-










 5*
0.45543.9 {0.4}10*
0.45565.9 {0.6}15*
0.5987.8 {0.8}20
0.59109.8 {1.0}25
0.5513.91211.8 {1.2}30
0.5513.91413.7 {1.4}35
0.621.61615.7 {1.6}40
0.621.61817.7 {1.8}45
0.621.62019.6 {2.0}50
0.621.62221.6 {2.2}55
0.65332423.5 {2.4}60
0.42.322.0 {0.2}WL5-












 5*
0.453.443.9 {0.4}10*
0.5565.9 {0.6}15*
0.557.787.8 {0.8}20
0.610.8109.8 {1.0}25
0.610.81211.8 {1.2}30
0.6515.61413.7 {1.4}35
0.6515.61615.7 {1.6}40
0.7201817.7 {1.8}45
0.7202019.6 {2.0}50
0.723.12221.6 {2.2}55
0.75332423.5 {2.4}60
0.7532.32625.5 {2.6}65
0.7532.32827.5 {2.8}70
0.452.522.0 {0.2}WL6-













 5*
0.554.743.9 {0.4}10
0.554.765.9 {0.6}15
0.65987.8 {0.8}20
0.659109.8 {1.0}25
0.713.71211.8 {1.2}30
0.713.71413.7 {1.4}35
0.713.71615.7 {1.6}40
0.7518.91817.7 {1.8}45
0.7518.92019.6 {2.0}50
0.7518.92221.6 {2.2}55
0.826.42423.5 {2.4}60
0.826.42625.5 {2.6}65
0.8530.62827.5 {2.8}70
0.8534.93231.4 {3.2}80

dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
0.654.743.9{0.4}WL8-












10
0.758.565.9{0.6}15
0.758.587.8{0.8}20
0.758.5109.8{1.0}25
0.811.21211.8{1.2}30
0.811.21413.7{1.4}35
0.811.21615.7{1.6}40
0.8515.31817.7{1.8}45
0.8515.32019.6{2.0}50
0.8515.32221.6{2.2}55
0.919.42423.5{2.4}60
0.919.42625.5{2.6}65
1.0312827.5{2.8}70
1.0313231.4{3.2}80
0.755.343.9{0.4}WL10-












10
0.86.465.9{0.6}15
0.86.487.8{0.8}20
0.910.8109.8{1.0}25
0.910.81211.8{1.2}30
0.910.81413.7{1.4}35
0.910.81615.7{1.6}40
1.0171817.7{1.8}45
1.0172019.6{2.0}50
1.0172221.6{2.2}55
1.0172423.5{2.4}60
1.1242625.5{2.6}65
1.1242827.5{2.8}70
1.124.23231.4{3.2}80
0.84.844.0{0.4}WL12-












10
0.97.265.9{0.6}15
0.97.287.8{0.8}20
0.97.2109.8{1.0}25
1.010.51211.8{1.2}30
1.010.51413.7{1.4}35
1.010.51615.7{1.6}40
1.115.41817.7{1.8}45
1.115.42019.6{2.0}50
1.115.42221.6{2.2}55
1.222.82423.5{2.4}60
1.222.82625.5{2.6}65
1.222.82827.5{2.8}70
1.334.53231.4{3.2}80
0.855.144.0{0.4}WL13-













10
0.96.365.9{0.6}15
1.08.787.8{0.8}20
1.08.7109.8{1.0}25
1.113.21211.8{1.2}30
1.113.21413.7{1.4}35
1.113.21615.7{1.6}40
1.113.21817.7{1.8}45
1.113.22019.6{2.0}50
1.113.22221.6{2.2}55
1.113.22423.5{2.4}60
1.218.62625.5{2.6}65
1.218.62827.5{2.8}70
1.437.83231.4{3.2}80
1.437.83635.3{3.6}90
1.07.565.9{0.6}WL14-












15
1.07.587.8{0.8}20
1.07.5109.8{1.0}25
1.1111211.8{1.2}30
1.1111413.7{1.4}35
1.1111615.7{1.6}40
1.215.61817.7{1.8}45
1.215.62019.6{2.0}50
1.215.62221.6{2.2}55
1.215.62423.5{2.4}60
1.322.12625.5{2.6}65
1.322.12827.5{2.8}70
1.322.13231.4{3.2}80
1.543.53635.3{3.6}90

dSolid LengthF max.Load
N{kgf}
max.
Part Number
Type D-L
1.18.265.9{0.6}WL16-













15
1.18.287.8{0.8}20
1.210109.8{1.0}25
1.2101211.8{1.2}30
1.2101413.7{1.4}35
1.2101615.7{1.6}40
1.4211817.7{1.8}45
1.4212019.6{2.0}50
1.4212221.6{2.2}55
1.4212423.5{2.4}60
1.529.72625.5{2.6}65
1.529.72827.5{2.8}70
1.529.73231.4{3.2}80
1.6403635.3{3.6}90
1.510823.5{2.4}WL18-












20
1.6121029.4{3.0}25
1.6121235.3{3.6}30
1.716.21441.2{4.2}35
1.716.21647.1{4.8}40
1.819.81853.0{5.4}45
1.819.82058.8{6.0}50
1.819.82264.7{6.6}55
1.819.82470.6{7.2}60
2.0322676.5{7.8}65
2.0322882.4{8.4}70
2.0323294.1{9.6}80
2.24336105.9{10.8}90
2.24340117.7{12.0}100
1.610.4823.5{2.4}WL20-












20
1.610.41029.4{3.0}25
1.712.81235.3{3.6}30
1.712.81441.2{4.2}35
1.815.81647.1{4.8}40
1.815.81853.0{5.4}45
1.815.82058.8{6.0}50
1.815.82264.7{6.6}55
2.0242470.6{7.2}60
2.0242676.5{7.8}65
2.0242882.4{8.4}70
2.237.43294.1{9.6}80
2.237.436105.9{10.8}90
2.237.440117.7{12.0}100
1.710.8823.5{2.4}WL22-












20
1.813.31029.4{3.0}25
1.813.31235.3{3.6}30
1.813.31441.2{4.2}35
2.0201647.1{4.8}40
2.0201853.0{5.4}45
2.0202058.8{6.0}50
2.0202264.7{6.6}55
2.228.62470.6{7.2}60
2.228.62676.5{7.8}65
2.228.62882.4{8.4}70
2.228.63294.1{9.6}80
2.334.536105.9{10.8}90
2.334.540117.7{12.0}100
2.1141235.3{3.6}WL27-










30
2.1141441.2{4.2}35
2.3191647.1{4.8}40
2.3191853.0{5.4}45
2.3192058.8{6.0}50
2.3192264.7{6.6}55
2.5282470.6{7.2}60
2.5282676.5{7.8}65
2.634.52882.4{8.4}70
2.634.53294.1{9.6}80
2.846.736105.9{10.8}90
2.846.740117.7{12.0}100
- Load Calculation Method: Load = Spring Constant x Deflection
    (Int'l Unit)N=N/mmxFmm
kgf=kgf/mmxFmm
(kgf=Nx0.101972)

[ ! ]Both ends of * marked WL Type springs are not ground.
[ ! ]The values of solid length are for reference only.
There may be some variations depending on the lot.
[ ! ]Operation frequency: One million times
[ ! ]Product Overview >>Click here
[ ! ]How to use coil springs and precautions >>Click here

Part Number 

  • Incomplete part number.
    Please use left hand selections to complete a part number.
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Part Number
WF3-5
WF3-10
WF3-15
WF3-20
WF3-25
WF3-30
WF3-35
WF3-40
WF4-5
WF4-10
WF4-15
WF4-20
WF4-25
WF4-30
WF4-35
WF4-40
WF4-45
WF4-50
WF4-55
WF4-60
WF4-65
WF4-70
WF5-5
WF5-10
WF5-15
WF5-20
WF5-25
WF5-30
WF5-35
WF5-40
WF5-45
WF5-50
WF5-55
WF5-60
WF5-65
WF5-70
WF6-5
WF6-10
WF6-15
WF6-20
WF6-25
WF6-30
WF6-35
WF6-40
WF6-45
WF6-50
WF6-55
WF6-60
WF6-65
WF6-70
WF6-80
WF8-10
WF8-15
WF8-20
WF8-25
WF8-30
WF8-35
WF8-40
WF8-45
WF8-50
Part NumberVolume DiscountDays to Ship RoHSEnd Surface Condition Allowable Load (Configurable Range)
(N)
Max. Load
(N)
Maximum Height when Loaded (Free Length, Allowable Deflection)
(mm)
Free Length L
(mm)
O.D. D (or D1)
(φ)
I.D. D-2d (or D)
(φ)
Spring Constant
(N/mm)
Wire diameter
(φ)
Solid Length
(mm)

Same day

Stock

CompliantNot Grounded~1.501.12.75532.480.50.262

Same day

Stock

CompliantNot Grounded1.51~4.502.25.51032.360.50.325

Same day

Stock

CompliantNot Grounded1.51~4.503.28.31532.360.50.325

Same day

Stock

CompliantNot Grounded1.51~4.504.4112032.30.50.357
Available

4 Days

CompliantNot Grounded4.51~8.505.513.82532.30.50.357
Available

4 Days

CompliantGrounded4.51~8.506.616.53032.20.50.413.2
Available

4 Days

CompliantGrounded4.51~8.507.619.33532.20.50.413.2
Available

4 Days

CompliantGrounded8.51~16.008.8224032.20.50.413.2
Available

4 Days

CompliantNot Grounded~1.501.12.75543.360.50.322.3
Available

Same day

Stock

CompliantNot Grounded1.51~4.502.25.51043.30.50.353.1

Same day

Stock

CompliantNot Grounded1.51~4.503.28.31543.20.50.45.6

Same day

Stock

CompliantNot Grounded1.51~4.504.4112043.20.50.45.6
Available

4 Days

CompliantNot Grounded4.51~8.505.513.82543.10.50.459.9
Available

4 Days

CompliantNot Grounded4.51~8.506.616.53043.10.50.459.9
Available

4 Days

CompliantGrounded4.51~8.507.619.335430.50.516.5
Available

4 Days

CompliantGrounded8.51~16.008.82240430.50.516.5
Available

4 Days

CompliantGrounded8.51~16.009.82545430.50.516.5
Available

4 Days

CompliantGrounded8.51~16.0010.827.550430.50.516.5
Available

4 Days

CompliantGrounded8.51~16.0012.130.355430.50.516.5
Available

4 Days

CompliantGrounded8.51~16.0012.73360430.50.516.5
Available

4 Days

CompliantNot Grounded8.51~16.0014.335.86542.90.50.5526.4
Available

4 Days

CompliantNot Grounded8.51~16.0015.438.57042.90.50.5526.4
Available

4 Days

CompliantNot Grounded~1.501.12.75554.30.50.352

Same day

Stock

CompliantNot Grounded1.51~4.502.25.51054.240.50.382.8

Same day

Stock

CompliantNot Grounded1.51~4.503.28.31554.20.50.43.4

Same day

Stock

CompliantNot Grounded1.51~4.504.4112054.10.50.455.4
Available

4 Days

CompliantNot Grounded4.51~8.505.513.825540.50.58.5
Available

4 Days

CompliantGrounded4.51~8.506.616.53053.90.50.5513.2
Available

4 Days

CompliantGrounded4.51~8.507.619.33553.90.50.5513.2
Available

4 Days

CompliantGrounded8.51~16.008.8224053.90.50.5520.4
Available

4 Days

CompliantGrounded8.51~16.009.8254553.80.50.620.4
Available

4 Days

CompliantGrounded8.51~16.0010.827.55053.80.50.620.4
Available

4 Days

CompliantGrounded8.51~16.0012.130.35553.80.50.620.4
Available

4 Days

CompliantGrounded8.51~16.0012.7336053.80.50.620.4
Available

4 Days

CompliantGrounded8.51~16.0014.335.86553.80.50.620.4
Available

4 Days

CompliantGrounded8.51~16.0015.438.57053.80.50.620.4
Available

4 Days

CompliantNot Grounded~1.501.12.75565.20.50.42.3
Available

4 Days

CompliantGrounded1.51~4.502.25.510650.50.55

Same day

Stock

CompliantGrounded1.51~4.503.28.31564.90.50.558

Same day

Stock

CompliantGrounded1.51~4.504.4112064.90.50.558

Same day

Stock

CompliantGrounded4.51~8.505.513.82564.80.50.612

Same day

Stock

CompliantGrounded4.51~8.506.616.53064.70.50.6516
Available

4 Days

CompliantGrounded4.51~8.507.619.33564.70.50.6517
Available

4 Days

CompliantGrounded8.51~16.008.8224064.70.50.6517
Available

4 Days

CompliantGrounded8.51~16.009.8254564.70.50.6517
Available

4 Days

CompliantGrounded8.51~16.0010.827.55064.60.50.725.2
Available

4 Days

CompliantGrounded8.51~16.0012.130.35564.60.50.725.2
Available

4 Days

CompliantGrounded8.51~16.0012.7336064.60.50.725.2
Available

4 Days

CompliantGrounded8.51~16.0014.335.86564.60.50.725.2
Available

4 Days

CompliantGrounded8.51~16.0014.738.57064.60.50.725.2
Available

4 Days

CompliantGrounded16.01~30.0017.7448064.60.50.725.2

Same day

Stock

CompliantGrounded1.51~4.502.25.51086.80.50.65
Available

Same day

Stock

CompliantGrounded1.51~4.503.28.31586.70.50.657.5
Available

Same day

Stock

CompliantGrounded1.51~4.504.4112086.60.50.710.8

Same day

Stock

CompliantGrounded4.51~8.505.513.82586.60.50.710.8

Same day

Stock

CompliantGrounded4.51~8.506.616.53086.50.50.7514.5

Same day

Stock

CompliantGrounded4.51~8.507.619.33586.50.50.7514.5
Available

4 Days

CompliantGrounded8.51~16.008.8224086.40.50.820
Available

4 Days

CompliantGrounded8.51~16.009.8254586.40.50.820
Available

4 Days

CompliantGrounded8.51~16.0010.827.55086.40.50.820

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Lead Time

Round Wire Springs -Spring Constant 0.5~1.0 N/mm-:Related Image

Basic Information

Material SWP-A

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