3M 1" Radial Bristle Discs

3M Radial Bristle Discs are long lasting and very effective. Stack them on mandrels (not included) and use them like natural bristle brushes – except there is no need to add polishing compound. The compound is built in!3M 1" diameter bristle discs should be used with 1/8" diameter miniature mandrels.  1" discs are only available in the more aggressive grits and are used for rapid scratch removal to blending application.  We also offer 3/4" and 9/16" diameter 3M radial bristle discs in finer grits, see below.Simply stack the individual bristle discs on a pin hole mandrel – use one disc or as many as you can fit – four to six make a good brush –and you are ready to polish. You get a very flexible, long lasting polishing brush that never needs recharging. 3M radial bristle disc brushes are also cool running to help prevent damage by heat build up, and give an easy to control uniform finish.Try the kit first to see what you like. Brushes can be purchased separately with a minimum order of