Collar Lock

This part is NO LONGER AVAILABLE. You cannot purchase this part. Can I still get this?

Listed on the following equipment:
Nautilus Commercial (Core Fitness) - Leg Extension
Nautilus Commercial (Core Fitness) - Leg Extension
Nautilus Commercial (Core Fitness) - Prone Leg Curl
Nautilus Commercial (Core Fitness) - Prone Leg Curl

* Images may not be identical to part.