TEKTON TRQ95901 Micron Torque Wrench Set, 1/4, 3/8, 1/2-Inch Drive, Dual Direction 3-Piece (20-200", 100ft, 50-200ft)

Includes 1/4-inch drive, dual direction micron torque wrench (20-200-inch-Lb); 3/8-inch drive, dual direction micron torque wrench (10-100 ft), 1/2-inch drive, dual direction micron torque wrench (40-200 ft-lb); 3. –– Torque wrench housing; 1/4" x 1/4" magnetic hex bit holder socket; 1/4" (F) x 3/8" (M) adapter; 3/8" (F) x 1/4" (M) reducer 3-pc. Calibration Certificates Accuracy within ± 3% for both directions: actual calibration accuracy is indicated on the certificate for your wrench, but is no worse than ±3% Full Range Calibration to ISO Standard - Since each torque wrench is calibrated to ISO standard, it also meets and exceeds the ASME standard Serialized calibration certificates: each wrench includes a certificate that displays serial number, test results, as well as test equipment and conditions FIXED RATCHET HEAD WITH 90 TEETH The single crescent pawl holds 9 teeth with the gear at all times, so it won't skip under load and the 4 degree swing arc reduces the length of the ride