The 5/8" Locking Pin from BulletProof Hitches is the best solution for locking any hitch to your vehicle receiver and/or for locking your dual ball to your hitch. With 4" of usable length, it will work with all 2", 2.5", & 3" hitch receivers and any hitch on the market. This top-of-the-line locking pin is rated to the max capacity of the hitch 10,000 - 36,000lbs and offers peace of mind when leaving your vehicle unattended. The thick, lockable barrel (end-piece) fits securely over the entire diameter of the 5/8" pin to help to prevent theft as well as provide a solid hold on your hitch. The locking pin features a 2? & 2.5? anti-rattle stabilization spacer to prevent side to side movement. Made from stainless steel to provide maximum corrosion and rust resistance. All BulletProof locks are treated with aircraft-grade lubricant for longevity, feature a heavy-duty rubber cap and come with 2 keys.