... :1) Sizes: 9.5mm, 12.7mm, 15.9mm, 17mm, 18mm, 19.1mm, 20mm, 21mm, 22.2mm, 23mm, 25.4mm, 28mm, 31.8mm ... , excellent michanical properties.11)Stainless steel welded tubes, tube, pipes, pipe, embossedInner packing: Plastic bagOuter packing:Carton, wooden crates, or according ...