The M3 series comprises the collection of wrenches with 1/2" 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: 22.00"
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Effective Length at Full Scale: 21.00"
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Maximum Overall Length: 24.75"
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Minimum Overall Length: 23.75"
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Weight: 4.1 lbs.(w/plastic case): 5.7 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 |
| M3R2500H | Fixed Ratchet | 500-2500 lb.in. | 10 lb.in. | R33AR-RK |
| M3R2500H | Fixed | 500-2500 lb.in. | 10 lb.in. | N/A |
| M3R250F | Fixed Ratchet | 50-250 lb.ft. | 1 lb.ft. | R33AR-RK |
| M3F250F | Fixed | 50-250 lb.ft. | 1 lb.ft. | N/A |
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