Universal Black Ops 5/8 Locking Pin 2-Pack Keyed Alike (BLACKBPLP2)Features 4" of usable length, it will work with all 2", 2. 5", & 3" hitch receivers and any hitch on the market 5 8" pin to help to prevent theft as well as provide a solid hold on your hitch 2 & 2. 5 anti rattle stabilization spacer to prevent side to side movement BulletProof locks are treated with aircraft grade lubricant for longevity heavy duty rubber cap and comes with 2 keys. The 5 8" Black Ops Locking Pin from BulletProof Hitches is the best