Neiko 10657 Portable 120V Die Grinder Rotary Tool, Flexible Shaft | Complete Kit with Bits & Accessories | 40-Piece Set Handheld rotary die and mechanical collet lock chuck is compatible with any 1/8" router bit; most ideal for cutting, drilling, grinding, sanding, engraving, honing, carving, detailing and more depending on the head attached Profession quality is UL & CUL approved and most suitable for industrial use (welders, boilermakers, millwrights, ironworkers, sheet metal workers, auto body work) as well as precision use (fine sculpting & woodworking, modeling) High speed is adjustable up to 30,0000 RPM with 6-stage control (with fine-tune adjustment wheel) allows exact execution for all applications Kit comes with 10 different shaped abrasive stone rotary bits, cloth buffing & polishing wheel, sanding wheels, abrasive cut-off wheels, sanding drums, rubber polishing & buffing drum, screw tip bit, 3.5mm (1/8") and 2mm drill bits Essential accessories includes a 42" flex hose that lets you reach into tough places, extendable vise stand that clamps onto work table, sharpening block, mini screwdriver / wrench and all equipped in a blow-molded storage case