Cut, grind, sand, and polish with this extremely versatile rotary toolkit Variable speed settings from 5,000 to 33,000 RPM enable you to work with a wide variety of materials, from glass, to metal, to ceramic, and more Includes flex shaft attachment for additional versatility and finger tip control, allowing you to do precision work with small pieces Comes with over 40 accessories: (1) additional collet (10) sanding discs (1) wrench (1) rubber sanding drum w/ sleeve (8) cut-off wheels (4) sanding sleeves (1) drill bit (5) grinding stones (2) rotary steel burs (1) dressing stick (1) wire wheel (2) polishing wheels (1) bristle end brush (2) mandrels Power: 135W, 120V, AC 50-60HZ Includes a handy carrying case that holds the rotary tool and all accessories Don't let this machine's small size fool you — with speeds up to 33,000 RPM, you can cut through stone. A great value for the budget-minded jewelry artist!