【Materials】 Grinding stones are made of premium aluminum oxide. durable and sharp sharpening 【Dimension】 All of the grinding bits are cylinder shape design, grinding points size is 16mm 【Easy to use】 1/4 inch round shank can fits electric rotary tools, drill, grinder and pneumatic power tool 【Application】Used for aluminum, stainless steel, copper, jade, glass, metal and non metal grinding, polishing, sharpening 【Package contents】8 pieces 1/4'' shank 16mm cylinder shape rotary grinding stones 1/4 inch shank grinding stones are made of premium aluminum oxide, durable and sharp cutting, grinding.
1/4 inch shank grinding stones can dry and wet for grinding, sanding, sharpening on hard materails.
1/4 inch shank grinding stones are suitable for metal, aluminum, copper, stainless steel, etc.
8 pieces 1/4" shank 16mm cylinder shape rotary grinding stones.