... 300mm,as demand stainless steel spider for glass curtain wall(three-arm)four pieces routel for one complete set 1,Finish: ... steel spider(fitting) 2,Material:AISI 304 or AISI 3163,Surface: Polish or Satin finish4,Different design & size 5,Accept ... stainless steel products, such as glass fittings, spider, glass hinge, sliding door fittings, shower room fittings,door handles,locks, elbow pipe,handrails ...