1/2" x 3-1/2" Square Safety Coupler Pins, Square Locking Pins, Safety Lockings Pins, Right Angle Trailer Pin Buckles, Iron Fence Pins, Cage Door Axle Locking Pins (3 Pack)

Pin Size: 1/2" x 3-1/2" (12.6mm x 90mm) Effective Working Length is Approximately 2.95 inches | Sturdy pins keep trailers and cage doors secure in a variety of situations, keep a couple spares in RVs and every vehicle that can tow an RV, they're always missing ...... This is the last thing you want in the "middle of nowhere"! | Keep a spare pin or two in the right place in case they go missing | Determine the diameter of the hinge holes and the length required Purchase the right size, once you receive the pins, release the wire locks, insert the pins into the hooks and reattach the wires, these pins are sure to fulfill the purpose for which they were designed! | The pins are not anti-theft items, but when used correctly they can prevent accidental opening of swinging doors and bar tethers on trailer hatches and trailer cages