Dremel 4300 47 Piece Variable Speed Corded 1.8 Amp Multipurpose Rotary Tool with Hard Case bathroom hardware sets enhanced by realistic veining enhanced by realistic veining 57 Mosaic Sub Unit Length (in 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 Pivot light rotates to illuminate your project Universal 3 jaw chuck for easy accessory changes Quieter and cooler running due to improved air flow Our most powerful motor for maximum performance in demanding applications Compatible with all Dremel rotary tool attachments and accessories (some applications require the use of a collet system