DYNAMIC GT-D086001 - 3/8" Drive Torque WrenchFeatures Drive size: 3 8" Capacity: 20 100 ft. lb. (33. 9 128. 8 Nm) Increments: 1 ft. lb. (1. 4 Nm) No. of teeth: 32 Length: 17" Factory calibrated within tolerance limits of + 4% clockwise. Factory Certificate Of Calibration included. Quick release mechanism makes socket removal easy. Lock ring prevents accidental change of torque setting. Aluminum handle with easy to grip diamond knurl surface. Dual scale