Features and Benefits: 19 needles Each needle: 1/8" (3.2mm) 4,600 blows per minute at free speedFor surface preparation work involving the cleaning or removal of paint, rust, dirt, or weld slag, the IRT125 is a durable, dependable, economical solution. Stroke length: 1-1/8"; average air consumption: 8 cfm; sound dBA: 99.6/11....(more info)