Trailer Coupler Safety Snap Pin Lock, D Ring Round Boat Towing Hitch Spring Hook

The 1/4-inch diameter and 2-3inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers.
It can also be used as a trailer jack pin, pintle hook pin, caster pin and more.
D shape retainer wire clip provides a quick latch and added clearance, different shape can meet your different needs.
These spring locking pins are structurally strong and reasonably constructed, which are very convenient to use and wil not loosen during use.
Superior corrosion and durability in saltwater environment.