Double ended welding studs 1, Competitive price 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 packing Double ended studs1)Material:Stainless Steel(SUS 304, SUS 316) 2)Sizes: Diameter:M8--M52(3/8"--2") Length:1000mm--3000mm,3feet,6feet,10feet,12feet3)Standard:DIN, ANSI, BS, JIS, UNI