OEMTOOLS 22885  5/8 Inch 3/8 Inch Drive Magnetic Spark Plug Socket Extension Knurling Position is Optimized for Best Finger Gripping Position Smooth Satin Finish is Easy to Clean Built-in Magnetic Insert Holds Spark Plug for Easy Removal and Installation Design Works Well with Most Import Vehicles 17mm Hex Top Comes in Handy for Tight Spaces