Electric Drill disc Brush Emery Rubber Abrasive Brush Deburring Polishing Brush Feature: Disc brush Rubber emery material with good elasticity and toughness wear and durable two specifications can be used for metal finishing cleaning and polishing to remove burrs remove scratches and rust. Emery color and grain size: Green 50# Yellow 80# White 120# 50# 80# can be used to polish hard metal 120# can be used to polish aluminum; Size: 2 inches / 3 inches Package contains: 1x electric drill disc brush