1.Shank diameter:6mm, 6.35mm, or upon request 2.Coating:nickle, chrome, titanium available 3.Packing:8pcs/set, or upon request 1.Shank diameter:6mm, 6.35mm, or upon request2.Coating:nickle, chrome, titanium available3.Packing:8pcs/set, or upon request4.Used for shaping, smoothing and removal hardened steel, stainless steel, fired ceramics, plastic and hardwoodsAdvantages of DUOLING:1. Good ...