{"product_id":"nbjingyi-trailer-coupler-2-ball-to-3-channel-straight-coupler-3-500-lb-gtw-zinc-plated-steel","title":"NBJINGYI Trailer Coupler — 2\" Ball to 3\" Channel Straight Coupler, 3,500 lb GTW, Zinc-Plated Steel","description":"\u003cp\u003e\u003cstrong\u003eNBJINGYI's straight coupler secures a 2\" hitch ball to a 3\" trailer channel with a 3,500 lb rating for reliable mid-size towing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis straight trailer coupler from NBJINGYI is built to attach standard 2\" hitch balls to 3\" wide trailer tongues, delivering a sturdy 3,500 lb gross trailer weight (GTW) capacity. Constructed from thick, die-cut steel and finished with zinc plating, it’s designed for frequent use on boat trailers, utility haulers, and equipment trailers where durability and a positive connection are essential. The coupler combines a spring-loaded quick-release latch, pre-drilled security holes, and a wide channel fit so you can match it to reinforced frames common on larger trailers.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the NBJINGYI coupler handle everyday towing tasks?\u003c\/h3\u003e\n\u003cp\u003eThe coupler clamps cleanly onto a 2\" hitch ball and holds up under common loads up to 3,500 lbs, making it suitable for mid-sized boats and utility gear. The quick-release latch speeds hookup and detachment without sacrificing a secure grip once latched.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated GTW: 3,500 lbs for common mid-size trailers\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded latch for fast, dependable locking\u003c\/li\u003e\n  \u003cli\u003eThick die-cut steel core for consistent strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my trailer tongue and hitch ball?\u003c\/h3\u003e\n\u003cp\u003eThis coupler is engineered specifically for a 2\" diameter hitch ball and a 3\" wide straight trailer channel. It is ideal for trailers with reinforced or wider tongues often used on boats and heavy-duty utility trailers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBall size compatibility: standard 2\" hitch ball\u003c\/li\u003e\n  \u003cli\u003eChannel width: designed for 3\" straight trailer tongues\u003c\/li\u003e\n  \u003cli\u003eMounting: fits common bolt patterns on reinforced frames\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and corrosion protections are included?\u003c\/h3\u003e\n\u003cp\u003eNBJINGYI includes pre-drilled holes sized for a safety pin or coupler lock so you can add a secondary restraint. A zinc-plated finish helps resist corrosion in wet conditions, extending the life of the coupler when exposed to water and road salt.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-drilled safety holes accept pins or locks (lock sold separately)\u003c\/li\u003e\n  \u003cli\u003eZinc plating for surface corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eRobust latch design reduces accidental uncoupling risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation and maintenance look?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward on compatible 3\" tongues, and maintenance requires only routine inspection and light lubrication of the latch. Tighten mounting hardware and check the latch spring and pin holes before long trips to maintain reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple bolt-on installation for matching channel widths\u003c\/li\u003e\n  \u003cli\u003eInspect latch spring and safety holes regularly\u003c\/li\u003e\n  \u003cli\u003eLight oiling of moving parts prevents sticking and wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The NBJINGYI 2\" straight coupler is intended for trailer owners who tow mid-sized loads—such as small boats, personal watercraft trailers, and equipment haulers—who need a durable, quick-locking coupler that fits a wider 3\" channel. It’s a practical upgrade for anyone replacing worn couplers on reinforced tongues or for builders assembling trailers that require a reliable 3,500 lb-rated attachment point. Note: always verify your trailer’s tongue width and hitch specifications before purchase and pair the coupler with an appropriately rated hitch ball, safety chains, and locking device as needed.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What ball size does this coupler fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits a standard 2\" diameter hitch ball.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add a lock to this coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it has pre-drilled holes sized for a safety pin or coupler lock (lock sold separately).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NBJINGYI","offers":[{"title":"Default Title","offer_id":48087209771166,"sku":"B07BDFM4VG","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nbjingyi-front-view-coupler_89c6ae0d-8c53-4b93-8492-4cd0521e2fca.jpg?v=1785919030","url":"https:\/\/northtrailauto.ca\/products\/nbjingyi-trailer-coupler-2-ball-to-3-channel-straight-coupler-3-500-lb-gtw-zinc-plated-steel","provider":"North Trail Auto","version":"1.0","type":"link"}