Features: powerful 5 vane motors deliver high working speeds heavy duty double tapered collet ergonomic comfort grip teasing throttle for maximum control lever throttle with lock-off ball bearing construction adjustable speed control free speed, rpm: 25,000 weight, pounds: 1.7 weight, kilograms: 0.8 length, inches: 7.5 length, millimeters: 190 air consumption, cfm: 30 air consumption, l/s: 14 collet size, inches: 1/4 exhaust: front