As an Automotive technician I`m always looking for tools that make my job easier and faster. Using this spark plug tool was a game-changer! As a result of using this product, i found that my spark plug socket STAYED firmly attached to the extension, which saved me time and frustration .The tool is durable and well-built, which is important with tools that are frequently used. The only downside is that it's a bit pricier than other options on the market. Overall, this tool is a must-have for anyoSee full review