3 Inch Diameter Quick Change Sanding Discs made with premium Zirconia abrasive grains featuring Active Grinding Aid which prevents loading and reduces heat buildup

Excellent for use carbon steel, cast iron, titanium, aluminum, brass, bronze, copper, or hard woods as well as heat sensitive materials such as stainless steel, nickel alloy or cobalt alloys.

Feature male Type R - Quick Roll On / Roll Off fastening system and are meant to be used with a 3-inch backing pad that can then be attached to any ¼” power drill, air grinding tool, or die grinder.

Available in 36 grit, 40 grit, 60 grit, 80 grit, and 120 grit

Comes with 25 Quick Change Sanding Discs Per Pack