stinless steel coil, 304,316,316L high quality with low price ... , sanitary wares, kitchen wares)Specifications:1) Round pipes - Outside diameter(mm) :8,9.5,11,12, 12.7, ... 9,102,114,133,141,159,2192)Square pipes - Outside dimensions(mm) : 10x10,12x12,15x15,17x17,18x18,19x19, ... 38x38,40x40,48x48,50x50,60x60,70x70,80x803)Rectangular pipes - Outside dimensions(mm) : 20x10,23x11,24x12,25x13,28x13,30x15,34x22 ...