18" (455mm), 24" (610mm), 36" (915mm), 42" (1060mm), 48" (1220mm) standard lengths. 150 Series - 1 1/2" (38mm) diameter stainless steel*. Textured Finish. Tubing - fabricated of type 304 stainless steel. Exposed surfaces polished to a #4 satin-finish. Specify -T for non-slip safety-textured grip option.