The Ascot Supply 5/8" Preset Torque Wrench is equipped with a cushioned handle for maximum grip and user comfort. It also has +/- 4 percent accuracy, flexes when proper torque setting is reached, and offers 100 in-lbs of torque. The tool prevents over-tightening of the valve grommet. The size and preset torque settings are laser etched on the tool’s shaft. It is available in two styles: 5/8” for TR540-550 series valve hex nuts and 9/16” for TR570 series valve hex nuts.