Depressed Center Type 27 Silicon Carbide Grinding Wheels – Hubless. 4.5″ x 1/4″ x 7/8″ – A24R Grit. 5 pack.
Vitrified, silicon carbide double fiberglass reinforced wheels designed for strength and cutting action when working on masonry materials.
Use on angle head grinders. Comply with ANSI B7.1 regulations when in use. 10,850 RPM.