... .5mm, 12.7mm, 15.9mm... 2) Rustless. 3)Stainless steel pipes, tubes, 4)CR17NI8 ; 1CR13MN9NI1N; Features:1) Sizes: 9.5mm, 12.7mm ... -wearing, good-appearance, excellent michanical properties.11)Stainless steel welded tubes, tube, pipes, pipe, embossedInner packing: Plastic bagOuter packing:Carton, wooden crates ...