Here's your compact, lightweight die grinder that's perfect for porting or detail polishing cars, boats, aircraft, models, etc. A full 6" long and equipped with a 1/4" collet, your grinder uses 4 cfm @90 psi at maximum speed 20,000 rpm and includes built-in regulator, and wrenches. Accepts popular 1/4" NPT air fittings. One year manufacturer's warranty.