... 1,Name: Stainess steel S hook;S hook;Stainess steel hook2,For the similar hook,what can we do ?(1), ... Ability for the material of this kind of hook: Grade3.6 ... ,4.6,4.8,5.6,6.8,8.8,9.8,10 ... Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc Dip plating black ...