Master Lock Class III/IV Trailer Receiver Lock

The Master Lock 5/16" (16mm) Class III/IV Barbell™ receiver lock. 

The receiver lock includes the Push to Lock™ locking mechanism, easily used by pushing the lock body firmly onto the pin and removing the key. 

The Weather Tough® seal and water tight cap provides additional protection from moisture and dirt. 

The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

Features

• Fits 5/16" (16mm) receivers.
• Usable length of receiver pin is 2-3/4in (70mm).
• Push to Lock™ locking mechanism - push lock body onto pin firmly and remove key.
• Weather Tough® seal and water tight cap protects lock from moisture and dirt.
• Class III/IV; 10,000 lb. Load Rating.
• 4-pin cylinder for added pick resistance.
• Supplied with 2 keys.