Description
These are Hatho Mini Scotch Brite Wheels Brown Coarse 220 Grit. Used for reducing and pre-polishing acrylic and other materials in the dental lab. Package 12 per bag. Max rpm is 10,000 rpm. The mandrel is a HP handpiece shank (3/32" or 2.35mm). The diameter of the wheel is about 25mm. Made in Germany. |