Pack of 5 3" Cutting Wheel (Metal) Fit Dremel 3" saw max and Ridgid Cutoff Tool R87547B arbor dia: 7/16" 11.1mm, 60 Grit Milwaukee 3" 2522-20 / Ryobi 3" Cut off Tool (need insert 7/16" inner Flange) Good for cuts a variety of metal materials including copper pipe, conduit, coated wire shelving, thin sheet metal, threaded rod, sheet aluminum and more Pack of 5 3" Metal Cutting Wheel Specification 3" 77mm in diameter Brand: MTP RPM: 20,000 Fit for l 3" Series compact saw Max