Precise & Labor-saving Gap Adjustment: This spark plug gap tool allows you to narrow the gap between electrode tips precisely, quickly, and effortlessly by slightly pressing the lever. Spring-controlled compressing pin will automatically spring back after usage, greatly eliminating hassle of resetting position for next-time usage
Broad Compatibility: This spark plug gapper is compatible with 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, and 18 mm standard spark plugs of automobiles or motorcycles, which covers commonly used sizes. Please check your spark plug size before purchase
Meticulous Construction: The spark plug gapping tool is crafted from quality aluminum alloy material with anodized surface, rustproof, corrosion-resistant, and durable. Rounded edges ensure safe operation and lightweight design also makes it convenient for you to carry around
Ease Of Usage: 6 various sized base inserts are integrated into one thread adapter, quite simple to use. Just dial the thread adapter to switch to desired base insert and screw on the spark plug. Place the proper blade of feeler gauge(not included) between the electrode tips of plug. Softly press the lever until the electrode tips are compressed to desired gap thickness
Warm Tip For Adjustment: Some electrode tips may spring back during gap adjustment. It's advised to use 0.028'' feeler gauge blade if desired gap is 0.03''. It's recommended to keep the feeler gauge blade at a smaller value than targeted gap