The 16-piece Spark Plug Thread Repair Tool Kit by WINMAX includes M16 tap size and M14 thread size.
16 Pieces Spark Plug Thread Repair Tool Kit M16 Tap Size and M14 Thread Size
16-Piece Spark Plug Socket Set, 3/8' Drive Swivel Magnetic Spark Plug Removal
Double Ended 16-18mm Spark Plug Wrench, 5/8 Spark Plug Socket Labor-Saving Lever
SK Tools USA 4426 13/16" SAE Spark Plug Deep Socket 3/8" Drive 6 Point Chrome
Big-Sert 51457 M14 x 1.25 x 16.8MM Spark Plug Taper Seat Insert - 5 Pack
LEXIVON 9/16-Inch Spark Plug Swivel Socket, 3/8" Drive x x 6-Inch
