Proto® 1/4" Drive Torque Screwdriver 4% 7-36 in-lbs - CERT ITEM #:J6106ACERT Features and benefits Specifications Features and benefits Calibrated to ± 6% of torque reading, clockwise at 20% to 100% of full scale.1/4" Square to 1/4" Hex Adapter included for use with insert bits.Positive self locking lock ring.Automatic clutch release helps prevent over torque.Laser marked easy-to-read scale.N.I.S.T. (National Institute of Standards and Technology) traceablecertification supplied with J6104ACERT and J6106ACERT. Specifications Drive Size [in] 1/4 Increments [In Lbs] 1 TorqueRange [In Lbs] 7-36 Width [in] 1-1/4 Height [in] 1-1/4 Overall Length [in] 6-1/2 Weight [Lbs] 1.00 Specification ASME ASME B.107-14 Add to Wish list Add to Set Buy Now Print Warranty Share