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King Pin Coupler Lock
Fits most commercial King Pin couplers.
Receiver lock can also be used for towing if needed. 5/8" chrome receiver lock secures collar. Weather cover protects lock from corrosion.
Master Lock Coupler Locks are designed to protect unattended trailers against tow away theft. High Quality, Laminated Steel construction. Resists picking and prying. A wide variety of styles to meet your needs.
The Quality and Protection You Expect from Master Lock!