Features and Benefits: Teasing throttle for precise control Oil free operation Needle bearing gearing for improved durability Applications: screwdriving honing heavy drillingHandle exhaust reduces noise and directs air away from operator and workplace, Chuck size: 3/8""; 3/8""-24; free speed: 2600 rpm; average air consumption: 7, 5 cfm; air inlet thread: 1/4"" NPTF; minimum hose size: 3/8""; sound dBA: 96; length: 7 ; weight: 2, 5 lbs, SKU: DOBA5438