STAINLESS SQUARE STEEL PIPE The mechanism is good. Tubes can be bended, enlarged, shrunk, and staved. stainless steel square pipe Square pipe10*10,12.7*12.7,15*15,19*19,22*22,25*25,30*30,38*38, 40*4050*50,60*60,80*80mm,etcRectangular pipe:15*10,20*10,25*13,30*15,30*20,38*25,40*20,50*25mm60*30,60*40,75*45,95*45,etcLength:6.0m (or according to customers' requests)Surface180#,400#,600#,Satin polish, ...