Spark Plug Socket - Bi-Hex 14mm Long 302224Bi Hex Design provides increased strength compared to a traditional hex design, allowing for a more compact spark plug without compromising strength requirements Extra long spark plug sockets for easy removal and installation of spark plugs in deep recesses with limited or difficult access including wider ceramic high performance type plugs Manufactured from satin chrome vanadium steel Features knurled barrel for non slip grip and inbuilt heavy duty