The dremel accessory kit contains 70 high quality genuine ez speedclic accessories which allow for quick easy and keyless accessory changes this accessory set allows you to tackle a wide range of applications like cutting sanding grinding polishing in a variety of different materials supplied with ez speedclic mandrel sc402 ez speedclic grinding wheel sc451 ez speedclic polishing cloth wheel x 3 423s ez speedclic thin cut off wheels x 3 sc409 ez speedclic metal cut off wh