Sea-Dog Galvanized Coupler Lock Pin - 5/16" [751011-1]

Galvanized Coupler Lock Pin - 5/16" 

Square coupler pins add an additional level of security preventing accidental uncoupling while in transit to better protect your trailer. Electrogalvanized steel construction for corrosion resistance. The snap lock bale is spring tensioned for stronger holding power. Fits most coupler sizes.