TEKTON 1/4, 3/8, 1/2 Inch Drive 90-Tooth Dual-Direction Micrometer Torque Wrench Set, 3-Piece (20-200"-lb, 10-100 ft-lb, 40-300 ft-lb) TRQ95902

Includes 1/4 Inch Drive Dual-Direction Micrometer Torque Wrench (20-200 in-lb); 3/8 Inch Drive Dual-Direction Micrometer Torque Wrench (10-100 ft-lb); 1/2 Inch Drive Dual-Direction Micrometer Torque Wrench (40-300 ft-lb); 3-pc. torque wrench cases; 1/4 in. x 1/4 in. magnetic hex bit holder socket; 1/4 in. (F) X 3/8 IN. (M) adapter; 3/8 in. (F) x 1/4 in. (M) reducer; 1/2 in. (F) x 3/8 in. (M) reducer; 3-pc. certificates of calibration Accurate within ±3% for Both Directions – The actual calibration accuracy will be stated on the certificate for your wrench, but will be no worse than ±3% Full-Range Calibration Using the ISO Standard – Since each torque wrench is calibrated to the ISO standard, it also meets and exceeds the ASME standard Serialized Certificates of Calibration – Each wrench includes a certificate that shows serial number, test results, and test equipment and conditions 90-Tooth Fixed Ratchet Head – The single half-moon pawl maintains 9 teeth engaged with the gear at all times, so it won't skip under stress and the 4-degree swing arc reduces length of travel Easy-to-Read Micrometer Scales – The single-unit scale is marked with high-contrast laser markings on a satin-finished handle body to reduce glare