Most powerful Spiral Multi Tool on the market. Cut drywall, wood, plastics, metal, tile, and more. A powerful 6A (ampere) motor drives spiral cutting bits and wheeled cutting attachments. Constant speed technology ensures that the tool maintains it's speed under load. Variable speed provides superior control. Soft grip housings for superior comfort. Compatible with all RotoZip accessories and Connect attachments. 30,000 rpm (revolutions per minute). Kit contains tool, circle cutting guide, dust management adapter, 1 drywall guidepoint zip bit, 1 multi-purpose zip bit, (1) 1/8", 5/32", 1/4" Collet, tool storage bag.