1.Shapes: 10 shapes 2.Coating:nickle, titanium, available 3.Packing:10pcs/set, or upon request. ... a must in workshops.Features:1. Standard Shape: 10 shapes2.Coating:nickle, titanium, available3.Packing:5/10pcs/set, or upon request ... and honing hard,brittle materials,such as carbide,stainless steel,glass,ceramics carbon...they are electroplated with selective synthetic diamonds on ...