The Master Lock 1479 features a 16mm Class III/IV Barbell™ trailer coupler/receiver lock. The coupler 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 watertight cap provides additional protection from moisture and dirt. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
Fits 16mm receivers
Usable length of receiver pin is 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; 4500 kg Load Rating
4-pin cylinder for added pick resistance