10 PCS Diamond Needle File Files Set (4*160*50mm) 120 Grit Coating for Metal Stone Glass
USD $2 - $10 /Set
Min.Order:500 Sets
Jiangyin Sunan Diamond Tools Co., Ltd.
Process:by plating, so that the emery adsorbed on the substrate (45 steel) surface. (C45).
Feature: wear-resistant, surface sand close next, not falling, keep the sharpness, long-term wear-resistant.
Surface finish: matrix part of the nickel plating layer, bright, high-finish, finish by working part sand; granularity to decide the finer sand and finish as possible. 150 mesh and 200 mesh
Details specifications: