Clear size marks on each swivel plug socket are easy to identify.
14mm&16mm Magnetic Swivel Spark Plug Socket, Thin Wall Magnetic
3/8-Inch Drive Magnetic Swivel Spark Plug Socket Set 6 Pieces 12-Point
CARBYNE 5/8-inch 6" Magnetic Swivel Spark Plug Socket
6PCS 3/8" Dr Magnetic Swivel Spark Plug Socket Set, 9/16", 5/8", 13/16", 14mm
14mm & 16mm Thin Wall Magnetic Swivel Spark Plug Socket 12-Point Removal Tool
