3M Radial Bristle Discs 80 Grit

3M Radial Bristle Discs 80 Grit Use this grit for satin finish on brass, bronze and other hard metals. Use as a first step in removing scratches from bronze, brass and harder metals. 3M Radial Bristle Discs will give you the best possible finish and polish with a rotary tool. Use 80 grit to remove firescale from sterling silver. These larger discs can be stacked 4-6 discs on mandrels for use with flex shaft and micromotor handpieces, and on spindle adapters for the polishing/bench lathe. Bristle discs last a long time and can be used right down to the nub. Made in the USA