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. Note: Requires a Transformer (power supply).Model:CLF-6500HHDrive Size:5mm Hios Dr.Range: 40 - 100 cN.m ,3.5 - 8.8 lbf.in, 4 - 10 kgf.cm.Tool Weight:24 oz.Tool Length:10RPM High:850RPM Low:440Grip Dia:1 3/8"