This knurling wheel is made from premium steel material, which can withstand lasting use. These wheels are of high durability, not easy to deform or break, textured design, not easy to skid, you can use with peace of mind. Features -Color:Assorted Color -Material:Steel -Size:2.50X2.50X0.70cm/0.98X0.98X0.28in - Knurling pitch: 1.2mm - Using premium steel for durability, owning high strength and hardness, these knurling wheels support long term using. - Anti-rust, rigidity, abrasion resistance, strong anti-break strength, with good and stable working performance, offering you better service. - High strength of teeth, acute cutting and high machining efficiency, save much of your time and efforts. - Double twill direction, one is positive, the other is negative, fit for your needs. - Excellent craft, carefully down to every detail to give these knurling wheels and beautiful look, easy to use. Package list: 2 x knurling wheels