... in special fastener field Name: zinc alloy handle /stainless steel handle /Door & Window HandlesAbility for the material of this kind of ... handle: Grade 3.6,4.6,4.8,5 ... surface finish: Electroplate Zinc plated(while,colour,dacroment),Nickelplated,copper plated,gold plated,chrome(3+Rohs &6+ )plated,anodic oxidation,etc Dip ...