A perfect tool for spark plug service. Spec: 3/8" Dr. x21mm Type: 12PT.
5/8" Magnetic Spark Plug Socket,6-Point 3/8" Drive Thin Wall Spark Plug Socket
14mm&16mm(5/8") Spark Plug Socket Set,Thin Walled Magnetic Spark Plug Socket,Car
10PCS 3/8"Drive Magnetic Spark Plug Socket Set 6PT&12PT Extension Bar CR-V Steel
3/8" Drive Swivel Magnetic Spark Plug Socket Set, 3 PCS 12 PT 5/8" Extension Set
11PCS 3/8" Drive Magnetic Spark Plug Socket Set with Torque Wrench 6 & 12 Point
Astro Tools 94404 Magnetic Spark Plug Universal Extension Socket Set
