Features： 1、DURABLE CRV MATERIAL: Made of chrome vanadium steel(CRV) material, strong and durable, the surface is chrome plated to improve strength, hardness and wear resistance 2、METAL RETAINER FOR FIX: This spark plug removal tool is designed with a metal retainer to hold the spark plug in the socket, not easy to slip 3、REMOVE 12 POINT SPARK PLUGS: This socket can be used for removing 12 point spark plugs from some compatible vehicles, port size is 3/8in, versatile and convenient 4、 REPLACEMENT: Spark plug removal tool possess oxidation and corrosion resistance, can be used as a good replacement part for automotive 5、UNIVERSAL AND MAGNETIC: Universal spark plug socket come with ultra thin wall and magnetic, possess performance, useful and practical Specification： Item Type: Spark Plug Socket Material: Chrome vanadium steel Finish: Chrome plated Interface Size: 3/8 Package List： 1 x Spark Plug Socket