If you're turning a lot of disc brake rotors or rear drums, you're going to need some of these SPC Performance brake lathe inserts. Manufactured from high-strength carbide, they are guaranteed to cut your brake rotors and drums smoothly and evenly without breaking. Available for Ammco, Hunter, Pro-Cut, Snap-On, and other leading brands, SPC Performance brake lathe inserts will get the job done quick and accurately, creating a smooth surface for the brake pad to contact.