Good pickled and bright surface,excellent quality and competitive price,high service quality Stainless Steel PipeProduct Instructions: 1) Grade: 201, 202, 301, 302, 304, 304L ... .,2) Standard: AISI, ASTM, DIN, GB, JIS, SUS 2) Diameter: 1/4"-20"(6.35-508mm)3) Thickness: A312 standard ... to protect both ends B, Plastic bag wrapped outside the pipe C, Bundles to be covered by polythene & strapped securely. ...