- Accuracy within + or -3%
- Guaranteed to meet or exceed federal spec #GGW-00686
- CR-MO steel ratchet gears for long life
- All parts, including shaft, are heat treated, carbonized, quenched and twice tempered for long life and accurate performance
- Nickel and chrome plated sandblasted shaft to reduce metal fatigue
- Metric scale included
- Housed in a convenient blow mold storage case
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