Calling all mechanics and brake shop pros! If you're running an AMMCO-style brake lathe (like the 3850, 4000, 7000, 7500, or 6900/6950 models), you know you go through these cutter bits. This Shark 10-pack is exactly what you need to keep the jobs moving. These are positive rake bits, the standard style for clean cuts on drums and rotors. They're made as direct alternatives to the OEM bits but without the crazy price tag, because let's be real, you need to stock up. Shark has been supplying the auto trade since 1983, so they know what professionals need – durable tools that can handle production use. A 10-pack means less downtime, you can change them out as they wear, and you'll always have a sharp bit ready to go. Whether it's for your bench lathe or on-the-car machine, grab this pack and get back to turning brakes smoothly and efficiently.