These grinding wheels are 3 Inches in diameter X 3/4 Inches thick, and are fully reinforced with resin bonded aluminum oxide to ensure safety at high speed and to increase bonding and impact strength. They are designed for use on air or electric powered right angle or vertical shaft grinders.

This set includes 2 grinding wheel, and the set weighs7.5 ounces

Each wheel is 3 inches in diameter, and they come in 2 different grits

Black wheel is coarse grit, and red wheel is fine grit (24)

Each wheel is made with a 7/8 inch center hole-suitable for use with right angle or vertical shaft

Reinforced with resin bonded aluminum oxide for safety at high speed