Description: A nice tool kit for repair damaged spark plug threads and lengthen spark plugs service time. Made of hardened steel, these accessories are of strong strength and long durability. All the tools are well organized in a blow molded case to protect the components and easy to carry and collect. With the tap M16 x 1.25 x 70 mm length you can enlarge the spark hole to fit the sleeve. Suitable for repairing spark plug threads 14mm x 1.25mm. Specification: Condition: Thread Size: M14 x 1.25mm Length: 11.2mm (black burnished), 17.5mm (black burnished), 17.5mm (yellow zinc plated) Tap Size: M16 x 1.25mm Tap Length: 70mm Material: High-carbon steel colour: black+gold Note: packing box Random color, don't accept the specified color. Package Contents: 16 x Spark Plug Thread Repair Tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.