【15pcs Diamond Burr Bits】Durable excellent for fine detail work,Can be uses on stone, glass, metal, hardwood, tile, ceramics, marble, granite and other hard materials.
【Universal Shank】All diamond grinding burrs with 1/8" shank, which compatible with most rotary tools or die grinders, ideal for carving and cutting on many kinds of materials.
【Easy To Storage】15pcs Grinding heads packaged in a sturdy plastic box, falling resistant and moistureproof, easy to carry and stock, well organized to prevent scattered and confused.
【Multi-Function】: HARDELL Diamond burr bits have 9 different grinding bits for abrasive, engraving, cutting, polishing, carving and etching.
【60 Grits】: diamond rotary grinding tools with 60 grits, have rougher surface which are quicker than the larger grit burrs when sanding, polishing and engraving.