1.Core:Diamond,Tungsten Carbide 2.Case:Stainless Steel 3.Smoothness,durability 4.Wide range of sizes Main Products:1.Diamond Drawing Dies1)Monocrystalline Diamond Drawing Dies2)Natural Diamond Drawing Dies3) Polycrystalline Diamond Drawing Dies2.Tungsten Carbide Drawing DiesDiamond Drawing DiesSpecification:Core:Monocrystalline Diamond,Natural diamond,Polycrystalline Diamond,Tungsten CarbideCase: ...