stainless steel needle tube,customized requsts are accepted Stainless Steel Needle Tube Standards:GB/ASTM/JIS/DIN Steel Grade:304,304L,316,316L,321,310S,302etc Dimensions:Outer diameter:φ 0.3-9mm wall thickness:0.1-0.5mm Length:2m or unfixed Tolerance:+/-0.02mm surface finish:annealed/cold pilgered/polished/fiber drawing etc Applications:precise instruments & meters,electronic & medical appliances etc Packing:bundle with plastic bags covered with PVC bags customers′requirements are acceptable