- Wholesale 20pc DIAMOND ROTARY FILES - Fits rotary tools with 1/8" collets. - Versatile 20pc set for various projects. - Perfect for jewelry repair, hobbies, crafts, modeling, and home repair use. - Handy organizer case included. - 1 piece 3/4" length burrs: - 8 piece assorted cylinder tips; - 3 piece assorted ball tips; - 4 piece assorted spear tips; - 1 piece flat-head disk tip; - 1 piece tapered cone tip; - 1 piece teardrop cone tip; - 1 piece straight cone tip; - 1 piece arrowhead tip.