The M1 series comprises the collection of wrenches with 1/4" square drives

Specifications:
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3% accuracy from 20% of full scale to full scale in both the clockwise and counter-clockwise directions
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Effective Length at 20% of Full Scale: 8.18"
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Effective Length at Full Scale: 7.28"
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Maximum Overall Length: 9.87"
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Minimum Overall Length: 8.97"
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Weight: .85 lbs.(w/plastic case): 1.50 lbs.
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Finish: Nickel / Chrome
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Meets or Exceeds the following Specifications:
GGG-W-686C, ANSI B107.14M
| Model | Drive Type | Capacity | Graduations | Ratchet Kit |
| M1R50H | Fixed Ratchet | 10-50 lb.in. | .25 lb.in. | R11AR-RK |
| M1F50H | Fixed | 10-50 lb.in. | .25 lb.in. | N/A |
| M1R200H | Fixed Ratchet | 40-200 lb.in. | 1 lb.in. | R11AR-RK |
| M1F200H | Fixed | 40-200 lb.in. | 1 lb.in. | N/A |
| Product Categories |
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