The Origin Straight Bar attachment allows users to work specific muscle groups from a cable machine. The main muscle groups worked here are the Lats, along with the secondary muscle groups: biceps, middle back and shoulders. 53cm / 20.5\" SPECIFICATION: Brand Origin Usage Home Use, Commercial Use Condition Brand New Warranty All Origin products are covered by a 12 month warranty from day of purchase. The warranty only covers manufacturing faults and defects. Wear and tear is not covered.