{"product_id":"master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock","title":"Master Lock Trailer Lock Stainless Steel Adjustable Coupler Latch Lock","description":"\u003cp\u003eIn this review the reviewer tests a two-piece trailer lock bundle aimed at vehicle and RV owners who want a simple, visible way to secure a trailer when parked or stored. The kit combines a stainless steel adjustable coupler latch lock and a universal hitch lock, and the biggest reason to consider it is straightforward: it pairs an adjustable latch lock with a universal coupler lock to cover common trailer hitch sizes while offering easy, tool-free operation and a water-tight cap for weather protection.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable length:\u003c\/strong\u003e The coupler latch lock adjusts from 9\/16 in to 2-3\/4 in so it fits a wide range of latch thicknesses for flexible use across trailers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal fit:\u003c\/strong\u003e The hitch lock fits 1-7\/8 in, 2 in and most 2-5\/16 in couplers, making it suitable for the majority of common trailer tongues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Zinc construction resists rust and corrosion so the locks hold up to outdoor storage and road salt exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather protection:\u003c\/strong\u003e A water-tight cap shields the cylinder and locking components from moisture and dirt to reduce freezing and corrosion risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRekeyable convenience:\u003c\/strong\u003e The rekeyable cylinder allows keyed-alike setups so multiple locks can share one key for simpler management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity mechanism:\u003c\/strong\u003e An advanced locking mechanism provides resistance to casual picking and prying for improved theft deterrence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis bundle is best for owners of travel trailers, utility trailers and RVs who need a versatile, visible deterrent that fits the most common coupler sizes without special tools. It suits users who want quick installation and a keyed-alike option to manage multiple locks.\u003c\/p\u003e\u003cp\u003eThose requiring a heavy-duty, high-security solution for locations with frequent theft attempts or commercial equipment transport should look at hardened steel or bolted-down systems; this Master Lock bundle is focused on convenience, weather resistance and deterrence rather than maximal forced-entry resistance.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjustable coupler latch covers many latch thicknesses for flexible use.\u003c\/li\u003e\n\u003cli\u003eUniversal hitch lock fits the common 1-7\/8 in, 2 in and most 2-5\/16 in couplers for broad compatibility.\u003c\/li\u003e\n\u003cli\u003eWater-tight cap and zinc construction help resist moisture and corrosion for longer service life.\u003c\/li\u003e\n\u003cli\u003eRekeyable cylinder and six locking positions make it convenient to use and set up keyed-alike locks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhile it deters casual thieves, some users note the locks are not as strong as heavy hardened-steel options under determined attack.\u003c\/li\u003e\n\u003cli\u003eKey and cylinder may require occasional attention in very cold or salty conditions despite the cap protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBundle contents\u003c\/td\u003e\n\u003ctd\u003e1x adjustable coupler latch lock (2847DAT) + 1x universal hitch lock (379ATPY)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoupler latch adjustment\u003c\/td\u003e\n\u003ctd\u003e9\/16 in to 2-3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal hitch fit\u003c\/td\u003e\n\u003ctd\u003eFits 1-7\/8 in, 2 in and most 2-5\/16 in couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eZinc body with stainless components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather protection\u003c\/td\u003e\n\u003ctd\u003eWater-tight cap to protect cylinder from moisture and dirt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking features\u003c\/td\u003e\n\u003ctd\u003eAdvanced locking mechanism; rekeyable cylinder; six locking positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended use\u003c\/td\u003e\n\u003ctd\u003eVehicles, trailers and RV hitch locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe two-piece Master Lock bundle is a practical, cost-conscious choice for trailer and RV owners who need a flexible, weather-resistant deterrent that fits common couplers and installs without tools. It offers solid value through adjustable sizing, a universal hitch lock and rekeyable convenience, though buyers seeking the highest forced-entry resistance should consider heavier-duty alternatives.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my trailer coupler?\u003c\/strong\u003e\u003cbr\u003eYes; the universal hitch lock fits 1-7\/8 in, 2 in and most 2-5\/16 in couplers, and the adjustable latch covers 9\/16 in to 2-3\/4 in lengths.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it weather resistant?\u003c\/strong\u003e\u003cbr\u003eThe locks feature zinc construction and a water-tight cap to protect the cylinder from moisture and dirt for improved outdoor durability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I have multiple locks keyed alike?\u003c\/strong\u003e\u003cbr\u003eYes; the rekeyable cylinder allows you to set multiple locks to use the same key for convenience.\u003c\/p\u003e","brand":"Master Lock","offers":[{"title":"Default Title","offer_id":48247220240603,"sku":"B09R4JDQYP","price":52.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/510ae53WJrL._AC_SL1001.jpg?v=1770973305","url":"https:\/\/gearmusthave.com\/products\/master-lock-trailer-lock-stainless-steel-adjustable-coupler-latch-lock","provider":"GearMustHave","version":"1.0","type":"link"}