40 Grit Ceramic 870X 2"x 48" Belt, , comes individual or in a box of 10
Ceramic - Most durable, shoe and heavy grinding
These belts will give the best life for metal use and many farriers have found these to be the best value even though they can be more expensive than Aluminum Oxide and some brands of Zirconium belts. Generally less expensive than 3M Zirconia. Common grit for grinding shoes is 40 on an expander wheel although they are available in coarser and finer grits.