Milwaukee M18 FUEL 18 Volt Lithium-Ion Brushless Cordless Jig Saw (Bare Tool)POWERSTATE brushless motor for increased SPM and the power to cut hard materials, including hardwoods and metals. Four position orbital cutting provides versatility for application specific cutting. On Off cut line blower keeps the cut line clear of debris, and allows user to turn off blower when using dust extraction. Variable speed ranges between 0 and 3500 strokes per minute provides precise control for clean cuts with less chipping or bucking.