The CP2621 industrial screwdrivers have a auto shut-off clutch and is a straight style is the Perfect Choice for most assembly applications. Push to start, One hand reverse switch, durable motor, premium soft grip handle, color rings for labeling torque, suspension bail provided, 1/4 hex output, 1/4-Inch NPT air inlet, 1000 RPM, 7-57.5 Inch pounds torque range, torque setting control window.