Smooth and quiet operation up to 350,000 rpm at 32 psi. Optimum balance for improved feel and long life. Professional satin finish handpiece is completely autoclavable or Chemiclavable. Canister-style turbine for simple, in-office turbine replacement (can easily be replaced at chairside). Six month warranty. Mini head handpiece accepts standard or short shank burs for additional access in the oral cavity. 4-hole connection.