The Performance W50031 is a 43-Piece Variable Speed Rotary Tool Kit. Performance Tool variable speed rotary tool kits allow you to complete a multitude of tasks, such as polishing, grinding, cutting, shaping, and even sanding. Talk about a versatile tool kit to have on hand--this kit is definitely it! Features: * Variable speed from 8,000 to 30,000 rpm * Lightweight design for comfort and control * 1/8 in.-3/32 in. collect capacity * Replaceable motor brushes to extend tool life * Collet spindle lock What"s In the Box: * Performance W50031 Variable Speed Rotary Tool 43-Piece