1.Secure Protection - Features a barbell design and comes with a 5/8" diameter pin to fit Class III/IV 2" and 2-1/2" Receiver. It locks into your trailer and keeps it secure, works to help prevent the theft of your towing hitch
2. More Secure - Unlike most of simple lock, our upgraded aluminum alloy Plum Blossom Lock Core adopts more advanced anti-theft technology for higher security. With 1/4-turn lock activation, make it easy to lock and unlock. LOCK-N-GO, no drilling or mounting required
3. Durable Black Finish - The 5/8" pin constructed from solid hardened steel for superior strength, with a black finish to increase the wear resistance and rust resistance, improve the service life