The HIOS CLF-Series is designed for robotic and automated applications. The durable robotic screwdrivers deliver reliability and precision torque. Ensures accuracy in fastening with precision automatic shut-off clutch once preset torque is achieved. Requires a Transformer (power supply).Model:CLF7000XHDrive Size:1/4" F/HexRange: 50 - 150 cN.m ,4.4 - 13.2 lbf.in, 5 - 15 kgf.cm.Tool Weight:26.7 oz.Tool Length:11RPM High:780RPM Low:420Grip Dia:1 3/8"