1.Standard shape:12 shapes 2.Size(D*L*L):4* ... 300 available 4.Package:6/12pcs/set Feature:1. Standard shape: 12 shapes;2. Size(D*L*L): 4*160 ... carbide,stainless steel,glass,ceramics carbon...they are electroplated with selective synthetic diamonds on steel base.low cost,durability ... ., LTD is the largest professional manufacturer of diamond tools with a history about 30 years experience in Eastern-China. ...