3/4″ (0.75) x 4″ quick-release ball lock pin for System 3 Head attachment. Fits our TB3 towbar. Space-age plated steel pin with reinforced alloy handle.
How to measure ball-lock pins:
- Measure the diameter of the metal pin
- Then, measure the grip length (“grip length” refers to the length from the bottom of the handle to the ball of the pin)