Powerful motor delivers smooth performance at variable speeds from 5000 to 35,000 RPMSlim, ergonomic body provides a 360 degree grip zone in every position for improved precisionWorks with standard attachments as well as high performance level attachmentsElectronic feedback circuitry maintains consistent power at lower and mid-range speedsReplaceable motor brushes extend tool lifeEasy-to-read speed settings make for accurate dialingStrategically placed On/Off switch does not interfere with grip during use