Helicoil Eco Insert Spark Plug Refill Pack - M10 x 1.0 x 1/4 Inch Reach, Metric

These eco insert spark plug refill kits from Helicoil are precision manufactured for easy and efficient installation. Featuring a rhombic profile wire which is moulded into elastic spirals, the first thread is made slightly smaller in order to simplify fitment.Easy installationHigh quality manufacturingProvides an accurate and correct thread instantlyInstalling like a screw; once fitted, the result is an internal thread that is the correct gauge and accepts screws at both ends. Designed to be high-strength, wear-resistant and heat-resistant, these are ideal for use in the workshop, garage or on the drive, this refill kit is perfect for quick and accurate repairs.The spark plug kit also includes a pair of pliers ensuring that you are able to retrieve the tang quickly and easily once fitted.