{"product_id":"master-lock-3-pack-keyed-alike-trailer-coupler-locks-single-key","title":"Master Lock 3 Pack Keyed Alike Trailer Coupler Locks - Single Key","description":"\u003cp\u003eIn this review the Master Lock 3 pack keyed alike trailer coupler locks are evaluated for anyone who needs multiple hitch locks that open with one key. The biggest reason to buy is convenience: three full coupler locks that all use the same key, with two keys per lock for a total of six keys, make managing multiple trailers or shared fleet equipment noticeably easier. The set aims to combine simple installation, physical theft deterrence and keyed alike convenience without complex programming or separate key management.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyed alike set:\u003c\/strong\u003e All three locks in the pack use the same key so one key operates every unit, reducing the number of keys to carry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo keys per lock:\u003c\/strong\u003e Each lock ships with two keys, providing backups and spares for a total of six keys in the 3-pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal fit:\u003c\/strong\u003e The coupler lock fits common trailer coupler sizes including 1-7\/8in, 2in and most 2-5\/16in couplers from major manufacturers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical theft resistance:\u003c\/strong\u003e The design rests on top of the coupler to resist downward hammer strikes and rotates to reduce leverage for sledge hammer attacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Reinforced zinc die-cast body resists rust and corrosion while offering strong impact resistance and toughness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRekeyable cylinder:\u003c\/strong\u003e Rekeyable locking cylinder offers keyed alike convenience while including an advanced mechanism that resists picking and prying.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Master Lock 3 pack keyed alike coupler locks are a good choice for small fleet owners, rental operators, and owners of multiple trailers who want the simplicity of one key for all locks and a sturdy physical deterrent. It's also suitable for recreational users with multiple trailers or trailers and tow vehicles that share a single operator.\u003c\/p\u003e\u003cp\u003eUsers who need custom high-security keyed systems or electronic monitoring should look elsewhere; this is a mechanical coupler lock designed primarily for convenience and physical deterrence rather than electronic tracking or alarmed protection.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll three locks keyed alike provide clear convenience and reduce key management hassles.\u003c\/li\u003e\n\u003cli\u003eRobust zinc die-cast body and a design that resists blunt-force downward strikes increases theft resistance.\u003c\/li\u003e\n\u003cli\u003eUniversal fit covers the most common coupler sizes, simplifying compatibility with many trailers.\u003c\/li\u003e\n\u003cli\u003eIncludes two keys per lock so spare keys are provided out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOrdering multiple 3-packs will not guarantee they are keyed the same unless you purchase the 6-pack, which may confuse buyers wanting matched sets.\u003c\/li\u003e\n\u003cli\u003eSome customers report mixed experiences with build durability, so extreme heavy-use environments may show wear over time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eKeyed alike trailer coupler\/tongue locks (3-pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeys included\u003c\/td\u003e\n\u003ctd\u003eTwo keys per lock (six keys total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits coupler sizes\u003c\/td\u003e\n\u003ctd\u003e1-7\/8in, 2in and most 2-5\/16in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eReinforced zinc die-cast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking cylinder\u003c\/td\u003e\n\u003ctd\u003eRekeyable, advanced mechanism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight per lock\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.4 lbs each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Master Lock 3 pack keyed alike coupler locks are a practical choice for anyone who needs multiple trailer locks that operate with a single key. They offer a sensible mix of convenience, universal fit and durable zinc construction for everyday deterrence and are strong value for owners of multiple trailers or small fleets. Buyers should verify keying requirements if they need additional matched sets.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill two purchased 3-packs be keyed the same?\u003c\/strong\u003e\u003cbr\u003eNo. If you order two separate 3-packs they will not necessarily be keyed alike; purchase the 6-pack option to ensure all six locks are keyed the same.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat coupler sizes does this lock fit?\u003c\/strong\u003e\u003cbr\u003eThe universal design fits 1-7\/8in, 2in and most 2-5\/16in trailer couplers from many common manufacturers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the cylinder be rekeyed?\u003c\/strong\u003e\u003cbr\u003eYes. The lock has a rekeyable cylinder so you can change keys if needed while retaining keyed alike convenience.\u003c\/p\u003e","brand":"Master Lock","offers":[{"title":"Default Title","offer_id":48247297802459,"sku":"B007C4US1S","price":112.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dmRiPwIJL._AC_SL1000.jpg?v=1771092315","url":"https:\/\/gearmusthave.com\/products\/master-lock-3-pack-keyed-alike-trailer-coupler-locks-single-key","provider":"GearMustHave","version":"1.0","type":"link"}