... or 316 2,Finish:Satin,Polished Spider fittings,curtain wall fittings1, Material:stainless steel 304 or 3162, Finish:Satin,Polished3, 4 arms4, Hole ... spider fittings,2arms,3arms,ect.6. Used for glass curtain wall,glass door,ect.7. Quick delivery and good service. distance ... their good quality,reasonable price and kind post-sale service. Stainless steel curtain wall fitting or Spider fitting