High Precision Gap Adjustment: Featuring high precision gap adjustment, our spark plug gap tool securely holds the spark plug in place and keep a uniform gap for consistent and accurate gap setting. Perfect for automotive enthusiasts and professionals in the spark plug maintenance industry
Wide Compatibility: Our spark plug gapper is compatible with 10 mm, 12 mm, 14 mm, and 16 mm standard spark plugs commonly found in automobiles and motorcycles. Please verify your spark plug size to ensure proper fit before purchase
Superior Material: Crafted from high-quality aluminum alloy with an anodized surface, our spark plug gapping tool is rustproof, corrosion-resistant, and durable. Its lightweight design makes it easy to carry and use whenever needed
Operation Skills: With 4 various-sized base inserts integrated into one thread adapter, this spark plug gapper is simple to use. Just dial the thread adapter to switch to the desired base insert, screw on the spark plug and use a feeler gauge to set the gap thickness. Softly screw the thumbscrew to achieve the desired gap
Adjustment Tips: Some electrode tips may spring back during gap adjustment. so it's recommended to use 0.028” feeler gauge blade if desired gap is 0.03” for optimal performance