most torque wrenches are checked at 20% from the bottom, then at 5 intervals until the top 20% of the range. ñormally +-2 to 5% tolerance is allowed, just have a metrology lab do it, cal is normally good for a year. but you can specify 2 years. tim

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

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