Stainless steel slotted series tube--one/two slot with round/square/oval shape-stainless steel slotted tube Grade : 304 304l 316 316l Material: stainless steel Main features : one body formed (without processing procedure) Od(mm)·+slot)width x depththickness(mm)product name 25.4-88.912x12-30x401.0-2.0round tube usage:glass armrest, handrail, decoration project, airport, subway, building, hotel, villa, railiing 2)normal polish: 180#.240#.320#.400#(bright finish).Mill finish(2b).Hariline finish. 3)special polish: mirror 600#.Super mirror800#-1000#, titanium gold coated. Package: each tube in a plastic bag, then packed in bundles or steel crates. Special package: each tube in a plastic bag, then packed in cardboard tubes, both sides with end cap, lastly packed in steel crate.