Cylinder Abrasive Mounted Bullet Grinding Review

Grinding stone bits is made of high-quality red corundum sand, It is durable and not easy to wear. Polishing stone tips heads suitable for polishing and grinding a variety of objects, such as: stone, glass, metal, stainless steel, gems, ceramics, etc. the surface is cleaner and brighter after polishing. Abrasive stone heads are used for grinding and deburring on the surface of various objects, including curved and uneven surfaces. Suitable for most of electric rotary tool and air tool, recommend for hobby and metal surface polishing grinding. Come with 20 pieces 15mm cylinder mounted stone grinding tools. shank diameter is 3mm (1/8'').