Master Lock 379ATPY Universal Trailer Hitch Lock, Black & Master Lock 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV, 1 Pack, Black

Key features

• Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers
• Trailer lock is best used for vehicles, trailers, and RVs
• Trailer coupler lock features advanced locking mechanism to resist picking and prying
• Trailer hitch lock is constructed from zinc to resist rust and corrosion
• Receiver lock provides added security and theft deterrence while towing
• 1/2 in. trailer hitch locking pin is rated up to 3,500 lbs (Class I and II), 5/8 in. trailer hitch locking pin is rated up to 10,000 lbs (Class III and IV)
• Locking head rotates 360 degrees allowing keyway to conveniently face forward; receiver lock features push-to-lock locking mechanism to ensure a secure lock every time; Push head firmly onto the pin and remove key
• Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking