Master Lock 2848DAT Bent Pin Receiver Coupler Lock SetKeyed alike receiver lock and stainless steel coupler latch lock. Receiver lock fits both 1 2" and 5 8" recievers. 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. Stainless steel adjustable coupler latch lock, locks from 9 16" to 2 3 4". #1377 bent pin receiver coupler lock set Fits 5 8" receiver hole & adjustable coupler latch lock #2847 keyed