The Porter Cable Polisher is ideal for polishing automotive and marine projects, this 6 in. Variable-Speed Random Orbit Polisher features a 4.5-amp motor for high overload protection and random orbit. Compact and lightweight at just 5-1/2 lbs., it delivers professional, swirl-free polishing action with an electronic variable-speed dial to select 2,500-6,800 RPM. Accepts 5/16 x 24 spindle thread accessories. Full ball-and-roller bearing construction provides durability under industrial workloads. It features a proprietary counterbalance for use with a 6-in. sanding/polishing pad and a two-position (left or right) removable side handle for greater comfort and control.