Tyger Solid Black Hitch Pin Lock with Key fits 5/8inch Pin Holes on 2inch Hitch Receiver | Load Rating 12,000 Lbs Hitch Lock Fits all Class III, IV and V hitches with 2inch receiver tube and 5/8inch pin holes. Solid barbell black locking pin with 12,000 Lbs load rating. One of the strongest on the market. Black lock with sliding cap keeps water and dirt out of locking mechanism. Plug and Play with 2 keys. TYGER limited lifetime warranty against manufacturing defects! For security reason, we do NOT keep any spare keys. Please keep your spare key safe.