3M - 4" Diam, Aluminum Oxide Hook & Loop Disc - Coarse Grade, Nonwoven,

Non-Woven abrasives reduce undercutting and gouging of surfaces. They are frequently used in deburring, surface preparation and as a final finishing step.

Aluminum oxide is the most commonly used abrasive. Best-suited for general purpose deburring and blending, it is tough, economical and fracture resistant. Commonly used on ferrous alloys, high-tensile materials and wood.