5" X 1/4" X 5/8"-11 WA24-R Type 27 24-Grit White Aluminum Oxide Grinding Wheel

5X1/4X5/8-11 T27 WA24-S-BF - ~ Contaminant-free design for fast-cutting stainless steel, ferrous metals.
~ Contains less than .01% iron, sulfur or chlorine for rust-free and corrosion-free results.