The Pro-5 fixed forward prophy polishing tool delivers excellent power and smooth operation at up to 5,000 rpm. It's perfectly balanced, durable and lightweight metal design reduces hand fatigue while providing truly superior polishing treatment. The Pro-5 fits Doriot-style metal and most prophy angles. Specifications: Made in the USA Warranty: 2-Years Air Pressure: 35-50 psi Recommended Rotation Direction: Forward Only Motor Speed: 5,000 rpm Attachment Type: Prophy Angles: Disposable and Metal Lubrication: Required Autoclave at Maximum 275 F (135 C)