Using the automotive spark plug installation tool set is and efficient. Begin by attaching the spark plug rubber boot to the spark plug, ensuring a secure grip. Next, use the rubber tube socket to guide the spark plug into the engine's spark plug hole. The double-hole spark plug wrench can then be used to tighten the spark plug securely in place. This method prevents cross-threading and ensures a proper fit, enhancing the overall performance of theFeatures-Color:Red-Material:Rubber-Size:30.00X1.50X1.50cm11.79X0.59X0.59in-Userfriendly: the spark plug installation tool offers a way to install and replace spark plugs, making maintenance easier-Ensure safety: The tool is reasonably designed to install the spark plugs firmly and avoid accidental injuries during the installation process-Robust build: made with durable materials, these tools are designed to endure frequent use and provide service-Exact installation: the precision design of these tools ensures accurate spark plug installation, boosting car efficiency and performance-Broad range: designed to fit a wide array of car brands and models, accommodating the needs of various car ownersPackage list: 4 x spark plug installation tools