... with high quality 2, Quick deliver 3, Nice solid packing Double ended welding studs GB9021, Competitive price with high quality 2, Quick ... deliver 3, Nice solid packingDouble ended studs1)Material:Stainless Steel(SUS 304, SUS 316) 2)Sizes ... ,3feet,6feet,10feet,12feet3)Standard:DIN, ANSI, BS, JIS, UNI Double ended welding studs