Quiet-running, 90° handpiece is ideal for precision grinding, finishing and polishing. Features self-lubricating vanes for dependable performance. Rear speed control and rear exhaust. Supplied with 5′ of 3/16″ air hose and 1/4″ NPT coupler. Airline filter/regulator/lubricator required. Accepts 7mm threaded shafts for delivering maximum torque to 30mm diameter grinding, sanding, and buffing tools. Max  24,000rpm. Made in Japan.