Spark Plug Gap Tool, Universal Metal Black Tool Solid Caliper Gapper for 10mm 12mm 14mm 16mm

Widely Application: This Spark plug gap tool is universal for 10mm 12mm 14mm 16mm spark plugs, you can use desired size feeler gauge for gap thickness. Premium-quality Material: Spark plug gap tool is made of high quality metal, sturdy and durable, increasing the service lIfe of the spark plug gapper. Excellent Performance: Spark plug caliper can give you the perfect gap every time. Just place your spark plug perfectly on the gap tool. If spark plug gapping tool gets wet, please use compressed air to dry and apply lubricant. Rebound: Some spark plug electrodes will rebound, which is normal for some spark plugs. If your gap target is 0.44mm, we recommend 0.42mm so when it rebound, you get 0.44mm. Pretest: Factory has undergone high pressure water immersion test and 52 hour power on aging test, and multi layer waterproof design, which truly achieves high pressure washing and immersion waterproofing.