Bar rolling is a very cost effective process to save money on making rounds. Winnebago MFG has 2 bar rollers; Roundo R-5 and Roundo R-3. Rings can be rolled with various dimensions. Winnebago MFG can roll flat and square bars on edge or flat. Max value for bars on edge is 2″ x 3″ and max value for bars on flat is 2″ x 2½”. The minimum thickness for both is 3/16″ x ½”. Winnebago MFG can also roll tube rounds, rectangle, and squares.