{"product_id":"gearoll-spark-plug-gap-tool-adjustable-32-blade-feeler-gauge-fits-10-12-14-16mm-threads-black","title":"GEAROLL Spark Plug Gap Tool – Adjustable 32-Blade Feeler Gauge, Fits 10\/12\/14\/16mm Threads, Black","description":"\u003cb\u003eGEAROLL’s spark plug gap tool is an adjustable gapping device with a 32-blade steel feeler gauge that sets plug gaps for most 10mm, 12mm, 14mm and 16mm threaded spark plugs quickly and accurately.\u003c\/b\u003e\n\n\u003cp\u003eDesigned to make routine ignition tuning faster and more reliable, this compact black gapping tool combines a precision-feel mechanism with a full set of hardened blades so you can verify and adjust gaps from 0.001\" to 0.040\" (0.03mm–1.0mm). It’s intended for standard-thread plugs (10\/12\/14\/16mm) and comes ready to use with a glove for safe handling. The tool is not suitable for 18mm thread plugs or long-reach\/short-reach specialty plugs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the GEAROLL gapper measure and set spark plug gaps?\u003c\/h3\u003e\n\u003cp\u003eThe tool uses a rotatable clamp to open or close the side electrode while you check thickness with the supplied feeler blade. The 32 hardened manganese-steel blades cover common gap tolerances so you can confirm the clearance without guesswork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFeeler range: 0.001\"–0.040\" (0.03mm–1.0mm)\u003c\/li\u003e\n  \u003cli\u003eBlades: 65 manganese steel, hardened and polished for durability\u003c\/li\u003e\n  \u003cli\u003eKnob actuation for gradual adjustment to avoid over-stressing the electrode\u003c\/li\u003e\n  \u003cli\u003eQuick re-check by sliding the selected blade into the gap after adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this tool work with my vehicle’s spark plugs?\u003c\/h3\u003e\n\u003cp\u003eIf your vehicle uses standard-thread plugs in 10mm, 12mm, 14mm or 16mm sizes, the GEAROLL tool will fit and adjust them. It is not made for 18mm threads or plugs with unusually long or short reach bodies, so check your plug thread before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: most 10mm, 12mm, 14mm, 16mm standard spark plugs\u003c\/li\u003e\n  \u003cli\u003eNot compatible: 18mm thread plugs, long-reach, or short-reach specialty plugs\u003c\/li\u003e\n  \u003cli\u003eBest for non-preset gap plugs that require manual adjustment\u003c\/li\u003e\n  \u003cli\u003eWorks for motorcycles, cars, small engines and other standard ignition systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the tool safely for repeatable results?\u003c\/h3\u003e\n\u003cp\u003eSeat the plug in the clamp, turn the adjustment knob slowly to change the gap, then back the knob slightly and re-measure with the feeler blade. Avoid forcing the clamp or screwing the knob hard against the plug to prevent abrasion of the electrode coating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInsert chosen feeler blade before initial adjustment\u003c\/li\u003e\n  \u003cli\u003eTurn knob gently to reach target clearance, then turn slightly back before measuring\u003c\/li\u003e\n  \u003cli\u003eRepeat adjustment-measure cycles until the feeler slides with slight drag\u003c\/li\u003e\n  \u003cli\u003eDon gloves (included) to protect hands and keep electrodes clean\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and what are the build details?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the adjustable gapping tool, a 32-blade feeler gauge set and a single protective glove so you can start gapping immediately. The blades are flexible, polished steel for stable measurements and long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKit: 1x gap tool, 1x 32-blade feeler gauge, 1x glove\u003c\/li\u003e\n  \u003cli\u003eBlade material: 65 manganese steel, hardened and polished\u003c\/li\u003e\n  \u003cli\u003eMeasurement precision: 0.001\" increments up to 0.040\"\u003c\/li\u003e\n  \u003cli\u003eFinish: durable black tool body for workshop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The GEAROLL Spark Plug Gap Tool is aimed at DIY mechanics, home tuners, motorcyclists, and small-engine technicians who need an inexpensive, portable way to measure and set spark plug gaps accurately. If you work with standard-thread plugs and want repeatable results without specialized bench equipment, this compact kit gives the common sizes and blades required for routine ignition maintenance. Avoid this tool if your plugs use 18mm threads or have unusual reach lengths.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this tool adjust preset-gap spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — it’s intended for non-preset plugs. Preset-gap plugs are not meant to be bent or adjusted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What gap sizes can the feeler gauge measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The included blades measure from 0.001\" to 0.040\" (0.03mm–1.0mm) in common increments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GEAROLL","offers":[{"title":"Default Title","offer_id":67592722055353,"sku":"B0FWBW3XQY","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/gearoll-front-view-tool-and-gauge_d39da235-2344-477a-88ca-9dcb0eaa0148.jpg?v=1790567123","url":"https:\/\/redleafauto.ca\/products\/gearoll-spark-plug-gap-tool-adjustable-32-blade-feeler-gauge-fits-10-12-14-16mm-threads-black","provider":"Redleaf Auto","version":"1.0","type":"link"}