Snap On Tools NEW 205ESSPKPLG3 Essential 5 Piece 3/8 Drive Spark Plug Socket Set. Secure retention side through hole, Knurled surface, chrome nickel plating. S9720KA-3/8″ Drive 6-Point SAE 5/8″ Deep Spark Plug Socket. S9719KA-3/8″ Drive 6-Point SAE 13/16″ Deep Spark Plug Socket. S9716KL-3/8″ Drive 6-Point SAE 9/16″ Deep Spark Plug Socket. S9714MKL-3/8 Drive 6-Point Metric 14 mm Extra-Long Spark Plug Socket. S9714MKDL-3/8 Drive 12-Point Metric 14 mm Spark Plug Socket.