[Shank Diameter] - 1/8-inch(3mm)
[Head Diameter] - Including 4mm, 5mm, 6mm, 8mm, 10mm
[Head Shaped] - Cylinder shaped and tapered shaped
[Applications] - Used for various mould, glass, jewelry, soft metal, wood, plastic, etc. Can be used with electric drills, electric grinders or other rotary tools.
[Package Content] - 100pcs felt polishing bit in a plastic storage case(Including 50pcs cylinder shaped and 50pcs tapered shaped)