General description The Spark Plug Socket Wrench Set includes two pieces (14mm and 16mm) and a 3/8 inch spark plug wrench installation tool. This set is specifically designed for removing 12-point spark plugs from compatible vehicles, featuring a special leaf spring design that securely holds the spark plug in place. Technical specifications Sizes: 14mm and 16mm Connection: 3/8 inch Design: Thin wall for easy access Usage Ideal for removing spark plugs from various vehicles Can be connected with a wrench for better leverage