It has a spring ball bearing near the tip for secure locking. Let us know if you don't see your Total Gym model.
Total Gym Hitch Pin Set for XLS XL 2000 3000 and All Fit Models
Total Gym Hitch Pin Set for XLS XL Fit 2000 3000
Total Gym Hitch 4 Pin Set compatibility listed in description
Total Gym Hitch Pins for 1000, Elite, Wing Bar, AB Crunch, Dip/Press UP Bar
