{"product_id":"lisle-connector-pliers-37990-8-slim-knurled-tip-forged-carbon-steel-for-one-handed-connector-release","title":"Lisle Connector Pliers 37990 8\" — Slim Knurled-Tip, Forged Carbon Steel for One-Handed Connector Release","description":"\u003cp\u003e\u003cstrong\u003eThe Lisle 37990 Connector Pliers are an 8\" forged-carbon-steel tool engineered to quickly and safely release single and double electrical connectors in tight engine-bay spaces.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen working on wiring harnesses, fuel lines or sensor plugs, grabbing and disengaging stubborn connectors can slow a job and risk damaging fragile clips. The Lisle 37990 combines a slim knurled jaw, a spring-return handle and dual-material grips so you can access confined areas, get a secure hold and operate the tool one-handed. Built from forged carbon steel, it’s made to withstand repeated use in automotive, truck and heavy-equipment maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this plier help when connectors are hard to reach?\u003c\/h3\u003e\n\n\u003cp\u003eThe pliers feature narrow, knurled tips that give added purchase on small tabs and sockets where a fingertip or broad tool can’t fit. The slim profile reduces interference from surrounding components and helps you hook under connector tangs without scraping nearby surfaces.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e8\" overall length for reach into engine bays and harness channels\u003c\/li\u003e\n  \u003cli\u003eNarrow knurled tip for gripping tiny tabs and clips\u003c\/li\u003e\n  \u003cli\u003eSlim head profile to fit between hoses and brackets\u003c\/li\u003e\n  \u003cli\u003eForged carbon steel resists bending in confined leverage situations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use one hand to operate the Lisle 37990?\u003c\/h3\u003e\n\n\u003cp\u003eYes — an internal spring in the handle automatically reopens the jaws after release, letting you work with one hand while the other steadies wiring or the connector body. This is particularly useful when holding harnesses or aligning mating plugs during reassembly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHandle spring returns jaws for fast repeat actions\u003c\/li\u003e\n  \u003cli\u003eOne-handed operation reduces need for a second set of hands\u003c\/li\u003e\n  \u003cli\u003eDual-material grips cushion pressure points for longer tasks\u003c\/li\u003e\n  \u003cli\u003eReliable return action speeds connector removal operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the tool withstand workshop use and heavy jobs?\u003c\/h3\u003e\n\n\u003cp\u003eThe Lisle 37990 is forged from carbon steel to deliver the tensile strength needed for repetitive connector work without deformation. Its construction balances toughness with a slim tip design so you don’t sacrifice durability for access.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eForged carbon steel construction for long service life\u003c\/li\u003e\n  \u003cli\u003eKnurled tip surface resists slipping under load\u003c\/li\u003e\n  \u003cli\u003eRobust pivot and jaw geometry for consistent performance\u003c\/li\u003e\n  \u003cli\u003eDurable grips help protect hands during heavier use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific connector types and vehicles is it suited for?\u003c\/h3\u003e\n\n\u003cp\u003eThe tool is designed to work with many single- and double-pin connectors common across cars, light trucks and heavier vehicles. Its tapered jaw and knurling make it useful on sensor plugs, wiring harness clips, fuel-injector connectors and other small multi-pin assemblies.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with many single- and double-pin automotive connectors\u003c\/li\u003e\n  \u003cli\u003eHelpful for sensor, injector and harness plug removal\u003c\/li\u003e\n  \u003cli\u003eUseful across cars, light trucks and heavy-duty equipment\u003c\/li\u003e\n  \u003cli\u003eParticularly effective where access is restricted or clips are recessed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, home mechanics and fleet maintenance staff who regularly service wiring harnesses, sensors and connectors will appreciate this tool’s reach, grip and one-handed operation. If you need a compact, durable plier that reduces connector damage and speeds removal in tight spaces, the Lisle 37990 is a practical addition to your tool kit.\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 connectors will the Lisle 37990 remove?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It removes many single- and double-pin connectors found on cars, trucks and heavy-duty vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the tool comfortable for extended use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — dual-material grips and a spring return handle make repeated one-handed use more comfortable.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67591084507321,"sku":"B0DHHF8TDF","price":64.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/lisle-37990-front-view.jpg?v=1790540948","url":"https:\/\/redleafauto.ca\/products\/lisle-connector-pliers-37990-8-slim-knurled-tip-forged-carbon-steel-for-one-handed-connector-release","provider":"Redleaf Auto","version":"1.0","type":"link"}