Add on this PowerLine Lat Pull-Up / Chin-Up Option for an even better workout. Features lock-down dual grips with infinite variable width spacing that allows full extension and contraction when doing chin-ups and +lat pull-ups. For use with GCCO150S or PCCO90 Cable Crossover only .
Lock-down dual grips
Allows for full extension and contraction when doing chin-up and lat pull-ups