{"product_id":"locknlube-grease-gun-coupler-xl-3-5-inch-extra-reach-locking-jaws-10-000-psi","title":"LockNLube Grease Gun Coupler XL - 3.5-inch Extra-Reach, Locking Jaws, 10,000 PSI","description":"\u003cp\u003e\u003cstrong\u003eLockNLube Grease Gun Coupler XL is a locking, extra-reach grease coupler that clamps securely to recessed Zerk fittings for hands-free, leak-free lubrication.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty coupler is engineered to make greasing tight, shielded, or hard-to-reach fittings faster and cleaner. Its patented locking jaws create a dependable seal that resists pop-off under pressure, while the 3.5-inch extension reaches fittings buried behind shields or components. Built for high-pressure work across shop, farm, fleet, and industrial settings, the Coupler XL gives technicians a safer, neater alternative to squeezable slip-on heads.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the LockNLube Coupler XL prevent grease leaks and mess?\u003c\/h3\u003e\n\u003cp\u003eThe coupler uses a patented jaw design that locks around a Zerk fitting to form a tight, pressure-resistant connection. Once engaged, the jaws stay clamped so grease is forced into the fitting rather than escaping around the connection. This reduces cleanup time and wasted lubricant on exposed parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented locking jaws maintain grip under pressure\u003c\/li\u003e\n  \u003cli\u003eSecure seal minimizes blowback and grease spray\u003c\/li\u003e\n  \u003cli\u003eHands-free operation avoids accidental dislodging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the 3.5\" extension reach recessed fittings on tractors and U-joints?\u003c\/h3\u003e\n\u003cp\u003eYes — the extended shaft is specifically sized to access fittings that standard couplers cannot reach. It slips past shields, bearings, and gearbox housings so you can service PTO shafts, universal joints, axles, and other concealed Zerks without disassembly. The extra reach keeps your hands away from moving parts while greasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3.5-inch extension for tight, shielded locations\u003c\/li\u003e\n  \u003cli\u003eFits common recessed Zerks on agricultural and automotive gear\u003c\/li\u003e\n  \u003cli\u003eSimplifies greasing of PTOs, U-joints, and axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the Coupler XL durable enough for heavy-duty, high-pressure applications?\u003c\/h3\u003e\n\u003cp\u003eThe unit is rated up to 10,000 PSI to handle demanding maintenance tasks and professional service environments. Components are built to withstand repeated high-pressure cycles, making it suitable for fleet, shop, and agricultural use. If parts wear over time, the design allows rebuilding rather than full replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10,000 PSI pressure rating for rigorous use\u003c\/li\u003e\n  \u003cli\u003eRobust materials stand up to shop and field conditions\u003c\/li\u003e\n  \u003cli\u003eReplaceable internal parts via rebuild kit extend service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to disconnect the coupler when it’s under pressure?\u003c\/h3\u003e\n\u003cp\u003eThe Coupler XL features a thumb-operated release that lets you detach with one hand, even when grease pressure is present. The release mechanism reduces the risk of damaging fittings or struggling with stuck couplers. Quick disconnection speeds workflow and keeps maintenance tasks safer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-hand thumb release for fast disconnection\u003c\/li\u003e\n  \u003cli\u003eDesigned to release cleanly without stressing Zerks\u003c\/li\u003e\n  \u003cli\u003eImproves safety and reduces time spent wrestling couplers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Technicians, mechanics, farmers, fleet managers, and maintenance crews who service heavy equipment, tractors, trailers, or industrial machines will benefit most from the LockNLube Grease Gun Coupler XL. It’s ideal when you need a secure, high-pressure connection for recessed or shielded grease points, want to cut cleanup and wasted lubricant, and prefer a rebuildable, professional-grade tool that stands up to daily use.\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: Will this fit standard Zerk grease fittings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Coupler XL is a universal locking coupler designed to fit standard Zerk fittings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use it on high-pressure grease guns?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is rated to 10,000 PSI and built for heavy-duty, high-pressure applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LockNLube","offers":[{"title":"Default Title","offer_id":55168451772759,"sku":"B0GTRZYWGH","price":55.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/locknlube-coupler-xl-front-view.jpg?v=1790404333","url":"https:\/\/britishgarage.co.uk\/products\/locknlube-grease-gun-coupler-xl-3-5-inch-extra-reach-locking-jaws-10-000-psi","provider":"British Garage","version":"1.0","type":"link"}