Features 1、It can be used to quickly and efficiently repair damaged spark plug threads. 2、Clean and rethread spark plug port, complete kit for meeting different needs. 3、Suitable for all kinds of products that require high thread strength. 4、Convenient to install, high strength, long service life. 5、A plastic box is provided for convenient storage and carrying. Specification Features: It can be used to quickly and efficiently repair damaged spark plug threads. Clean and rethread spark plug port, complete kit for meeting different needs. Suitable for all kinds of products that require high thread strength. Convenient to install, high strength, long service life. A plastic box is provided for convenient storage and carrying. Specifications: Condition: Brand New Material: Carbon steel Color: Shown as picture Quantity: 16pcs Package Weight: Approx.342g/12.1oz Package List: 1 * Screw Tap 15 * Screw Thread 1 * Plastic Box Package List