BUSI^® 500 is a single cylinder sock machine with latch needles in the dial to enable it to produce heavy gauge sport socks with true rib and terry and it is provided with full electronic control. The machine is equipped with striping unit on both feeds (6+5 feeders) and with a terry device that allows knitting the sandwich terry. The change from plain stitch to half terry and full terry is completely automatic. The machine is available with one feed or with 2 feeds. The features of the two versions are listed in the table below.