The 5 Piece Magnetic Spark Plug Service Set by Matco Tools is a high-quality set of standard 6 point sockets designed for automotive use. Made with a chrome surface finish and a 3/8 inch drive size, this set includes sockets for easy removal and installation of spark plugs. The set is California Prop 65 compliant, ensuring safety for users. Perfect for both professional mechanics and DIY enthusiasts, this magnetic spark plug service set is a versatile and essential tool for any automotive maintenance project.