Plastic bond impregnated with fine silica (approx. 320 grit). Provides a light cutting action. Often used as a first cut-down step for delicate and intricate parts, for castings, and for removing sharp edges on stampings.
Leaves a smooth, matte finish. Included in all Metal Finishing Sets.
Density: 56 lbs. per cu. ft.
Shape: pyramid, 1/4".