276 Pc Rotary Tool Accessory Set nylon Imported Grind, shape and smooth with a full set of grinding and sanding wheels Slice through metal, plastic and masonry with an assortment of cut-off wheels and fiberglass reinfor Drill, ream and deburr with a collection of cutter burrs, diamond burrs and drill bits, Clean and polish with brass, nylon and stainless steel wheel brushes