Trimax Universal Coupler Lock SKU: 1631 Categories: Locks, Locks & Pins **Fits Most 2" And 2 5/16 Couplers** Related products 1/4″ X 3″ Square Pin Call For Price Part #:1237 1/4″ Adjustable Class II Coupler Lock Call For Price Part #:1636 Spare Tire Carrier Lock Call For Price Part #:1628 Trimax Deluxe Coupler Lock Call For Price Part #:1632