{"product_id":"pro-lube-hc-21l-n-quick-lock-grease-coupler-extra-long","title":"Pro-lube HC\/21L\/N Quick Lock Grease Coupler Extra Long","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRO-LUBE HC\/21L\/N is an extra-long quick lock grease coupler built for high-pressure lubrication work. It features a six-point contact design that delivers a firm, leak-resistant connection to standard grease and zerk fittings. When the thumb lever is actuated, the engagement system retracts inside the steel wall, allowing fast disengagement even while the line remains under pressure. The zinc finish resists corrosion in shop and field environments. This coupler is installed by mechanics, fleet technicians, lubrication technicians, and industrial maintenance professionals who require a reliable, repeatable connection during greasing operations.\u003c\/p\u003e\n\u003cp\u003eThis coupler is suited for high-pressure grease gun applications in automotive, heavy equipment, agricultural, and industrial maintenance settings. The extra-long body provides clearance in tight or recessed fitting locations where standard-length couplers cannot seat properly. The female NPT thread connection makes it compatible with standard grease gun hose ends commonly found in professional service environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSix-point contact design for secure engagement on grease and zerk fittings\u003c\/li\u003e\n  \u003cli\u003eThumb lever actuation allows disengagement under pressure without mess or blowback\u003c\/li\u003e\n  \u003cli\u003eExtra-long body provides access in recessed or hard-to-reach fitting locations\u003c\/li\u003e\n  \u003cli\u003eSteel construction with zinc finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eFemale NPT thread connection fits standard grease gun hose ends\u003c\/li\u003e\n  \u003cli\u003eRated for high-pressure grease applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a replacement or upgrade quick lock grease coupler for high-pressure grease guns with female NPT hose connections, compatible with standard grease and zerk fittings in automotive, agricultural, and industrial applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and replacement should be performed by qualified lubrication or mechanical technicians. Relieve all pressure from the grease gun and hose before removing or attaching the coupler. Thread the female NPT connection onto the grease gun hose end and ensure it is seated before applying pressure. Inspect the coupler for wear or damage at regular service intervals.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoupler Type\u003c\/strong\u003e: Quick Lock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: Female NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: High Pressure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: 1 Quick Lock Coupler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.55 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112800\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PRO-LUBE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: HC\/21L\/N\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO-LUBE","offers":[{"title":"Default Title","offer_id":67907033334066,"sku":"HC\/21L\/N","price":55.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ed8743e84a75b5112cdb13e70ee7d12f.jpg?v=1791173637","url":"https:\/\/voomisupply.com\/products\/pro-lube-hc-21l-n-quick-lock-grease-coupler-extra-long","provider":"Voomi Supply","version":"1.0","type":"link"}