CP-789-HR Teasing throttle for precise control, handle exhaust, needle bearing gearings. Suitable for heavy drilling, reaming, hole sawing and jobs requiring a lot of torque. 1/4” NPT air inlet thread for 10mm air hose, 4cfm* air consumption, 3/8” - 24 spindle thread. Overall length: 200mm. *Based on a 15 second cycle per minute average use.