Large thread-on nut secures cable to helm
Conical plastic nut holds spent travel tube
Usually has diecast bezel which can be either round, one-piece or oval two-piece design
Older systems may have two helms (twin station) or 2-3 cables (tension) systems
Conical plastic nut holds spent travel tube
Usually has diecast bezel which can be either round, one-piece or oval two-piece design
Older systems may have two helms (twin station) or 2-3 cables (tension) systems
Tags: Big-T Helm