Designed for today's needs. The Super Sander III offers the same ultra-fine finishing as the 4500 with a lightweight-low profile configuration. Composite motor housing and shroud reduce weight and insulate the operator from vibration. Ultra smooth motor with positive action drive and unique 4 bearing support insures full contact sanding, Oversized drive head eliminates pad wobble. Built-in pad release feature.; RPM: 10000+; Wt: 2lbs. 3.5oz.; Air Consumption: 11.0 cfm @ 90 PSI; Noise Level: 80 dBa