United Abrasives SAIT 20063 4-1/2x1/4x7/8 A24R Long Life No Hub Type 27 Metal Grinding Wheels, 25 pack

• Highest quality aluminum oxide grain assures consistent high stock removal for tough applications • Uniform grain throughout, no filler grain used in the backing • Internally reinforced with the highest quality fiberglass for maximum safety • Longer life for fewer wheel changes • Type 27