Rubberized abrasives for light deburring, smoothing and polishing. Made from a special formula, combining pure silicon carbide granules with a special oil-resistant rubber bond. They deliver cushion-action performance in a variety of applications on a wide range of materials such as metal, in various grit textures to handle practically any job. 80-PIECE ALL PURPOSE KIT Contains the most popular wheels ranging from 5/8" to 1" in diameter, and points from 5/8" to 1" in length, along with 2 wheels mandrels and 2 point mandrel. Packed in a handy box.