CONTAINS ASSORTED WIRE CUP AND WHEEL BRUSHES WITH 1/4" SHANK FOR USE WITH POWER OR CORDLESS DRILLS. IDEAL FOR CLEANING AND REMOVING PAINT, RUST, CORROSION AND BURRS. CONTAINS: 6PCE 3" AND 6 PCE 4" WIRE WHEEL BRUSH, 6PCE 3" AND 6 PCE 4" WIRE CUP BRUSH.