Trailer Hitch Locking Pin

Military-Grade Theft Deterrence: Outsmart trailer thieves with a 5/8" hardened boron steel lock pin built to resist saws, drills, or prying tools. The frameless, rust-proof black oxide coating withstands road salt, mud, and coastal humidity, while the 1.5 lb solid-core design adds tamper-proof heft to Class III/IV hitches. Sleep soundly knowing your boat, RV, or cargo trailer stays hitched - no matter where you park. Weatherproof Keyhole Defense: Shield the lock mechanism from grit and grime with the flexible rubber keycap, which forms a watertight seal around the cylinder. Unlike flimsy plastic covers, this advanced elastomer bends without cracking, blocking rain, dust, and off-road debris during cross-country hauls or muddy job sites. Rattle-Free Fit for 2" & 2.5" Receivers: Eliminate trailer sway and annoying clunks! Five adjustable nitrile O-rings create a snug, silent fit in 2" or 2.5" hitch tubes. The extended 5/8" shaft locks deep into place, while the dual safety holes