universal joint covers: 1. Material: 20Cr 2. Specification:30*87 3. Small order and promote delivery are accepted universal joint covers: 1,Model Number SH1302,OriginalNumber 3,Specification 30*874,Raw Material20Cr or 20CrMnTi5,Hardness58-63HRC6,BrandYW or As customers’ Brand7,Packingplastic box for outer packing and plastic blister for inner packing,wooden box or packing as customers’ ...