3 boxes plus 3 extra bonus bits. Unused. Boxes are dusty but bits are new. The CB6914 Negative Rake Carbide Brake Lathe Bits are designed for use with Ammco and Hunter lathes. This set includes a variety of carbide bits that are ideal for off-car (bench) lathes. The custom bundle of this product includes pieces specifically designed for Ammco models such as 1000, 2002, 3000, 4100, 7000, and 7100, as well as Hunter models like BL500 and BL505. These high-quality carbide bits are a reliable tool for working with brake lathes in a professional setting.