12 Rotary Brass Wire Cap Brush L Dremel 3000 4000 8220-2/28 395 7700-1/15 4000 3/34 Chicago Electric, Milwaukeen Nextec1/8" Shank Hobbyy Clean Polish , Craftsma 12 Cap Brass Brush w/ 1/8" Shank Cup Brush : approx 0.6" in dia Supplied with 1/8" diameter shank drill mandrel arbor for easy fitting in any drill Solid steel shanks with corrosion resistant Made from soft brass for safe on most material w/ low speed, m