Dremel 4300 47 Piece Variable Speed Corded 1.8 Amp Multipurpose Rotary Tool with Hard Case LED Bulbs A: Solid 304 grade stainless steel Item Weight:.625 A: Solid 304 grade stainless steel Multi Size Capability: Works with 3 8 included in kit) Variable speed with electronic feedback for consistent performance in all applications Separate on off switch and speed control dial for added convenience between jobs Replaceable motor brushes extend tool life Cool running ball bearing construction for smooth and quiet operation 8 Kit Yes Total Number of Pieces 47 Battery Included N A (corded) Series Name 4300 Chuck Type Keyless UNSPSC 27112700 Speed Type Variable speed Maximum Speed (RPM) 35000 Cordless No