15% Off Orders Over $100 Plus Free Shipping! Use Promo Code FIREWORKS

Master Lock Keyed-Alike Trailer Lock Set

Item # 79845
Please make sure all selections are complete and a valid quantity is entered and try again.

Expected back in stock soon.


  • Weather Tough seal resists corrosion

  • Coupler lock for unattended trailers

  • Coupler latch lock to secure coupler to ball

  • Swivel Head receiver lock for 5/8" and 1/2"

  • Comes in durable canvas storage bag

Product Summary 

Keyed alike for convenience, this trailer lock set comes in a durable canvas storage bag. Designed with Weather Tough seal to resist corrosion. Set includes a coupler lock for unattended trailers, a coupler latch lock to secure coupler onto ball while it's attached to vehicle, and a Swivel Head receiver lock that fits both 5/8" and 1/2" applications.