γMaterialsγ100 pieces grinding stones are made of different premium aluminum oxide, more durable and sharp cutting
γDetailsγThis grinding set have various sizes to meet your different grinding needs, excellent for rust remove and burr sharpening
γFeatureγAll of the grinding stone bits are 3/32'' shank fits electric rotary tool, grinder, hand drill and pneumatic power tools
γApplicationγWidely for material or non-materials, such as metal, jade, various molds, glass, medical equipment, gold and silver jewelry
γPackage contentsγ100 pieces 3/32" shank rotary grinding stones, Note: For best effect, recommend to use with coolant/water for grinding sharpening