Quiet running, 65,000RPM handpiece ideal for many applications, including precision grinding, finishing and polishing. Feature self-lubricating vanes for dependable performance. Unique fixed collet design provides extra-long ball bearing life and reduces heat buildup. Designed with rear speed control and rear exhaust. Supplied with 5' of 3/16" air hose, 1/4" NPT coupler, 13" exhaust hose, wrench and pin. Air requirement: 85 PSI, 4.2 CFM. Use with Miniature Filter/Regulator-Lubricator, see our 8507349 - sold separately. 3mm and 1/8" collet sizes also available - sold separately.