The Dremel 100 Piece Multipurpose Accessory Kit contains 100 high quality accessories including EZ SpeedClic accessories which allow for quick and easy accessory changes, this accessory kit allows you to tackle a wide range of applications in a variety of different materials. Contents: 150 (1) - Drill Bit, 401 (1) - Mandrel, 402 (1) - Mandrel, SC402 (1) - EZ SpeedClic Mandrel, 932 (1) - Aluminum Oxide Grinding Stone 9.5 mm, 952 (1) - Aluminum Oxide Grinding Stone 9.5 mm, 84922 (1) - Silicon Carbide Grinding Stone 4.8 mm, 541 (1) - Aluminum Oxide Grinding Wheel, 421 (1) - Polishing Compound, 414 (10) - Polishing Wheel 13 mm (6 pcs), 429 (5) - Polishing Wheel 26 mm, 403 (1) - Brush 19 mm, 409 (36) - Cut-Off Wheel 24 mm (36 pcs), SC456 (3) - EZ SpeedClic: Metal Cutting Wheels 5-Pack, 411 (10) - Sanding Disc, 413(8) - Sanding Disc, 430 (1) - Sanding Band & Mandrel 6.4 mm 60 grit, 431 (4) - Sanding Band 6.4 mm 60 grit (6 pcs), 438 (4) - Sanding Band 6.4 mm 120 grit (6 pcs), 407 (1) - Sanding Band & Mandrel 13 mm grit 60, 408 (3) - Sanding Band 13 mm 60 grit (6 pcs) and 432 (4) - Sanding Band 13 mm 120 grit (6 pcs)