This Kit includes 2" Wire wheel with mounted Hex Shank 1" x 1" Wire Brush with mounted Hex Shank 2 " Wire cup with mounted 1/4 inch Shank3pc Set of Brass coated crimped wire drill attachmentsLong lasting Brass-coated hardened steel wire reduces sparking and wire breakageFits any drill, wheel mounted on 1/4" round shanksIdeal for Rust removal, Paint Stripping, Deburring sharp edges, Edge Blending