Features:_x000D_ _x000D_ It can be used to quickly and efficiently repair damaged spark plug threads. _x000D_ Clean and rethread spark plug port, complete kit for meeting different needs. _x000D_ Suitable for all kinds of products that require high thread strength. _x000D_ Convenient to install, high strength, long service life. _x000D_ A plastic box is provided for convenient storage and carrying. _x000D_ _x000D_ Specifications:_x000D_ Condition: Brand New_x000D_ Material: Carbon steel_x000D_ Color: Shown as picture_x000D_ Quantity: 16pcs_x000D_ Package Weight: Approx.342g/12.1oz_x000D_ _x000D_ Package List:_x000D_ 1 * Screw Tap_x000D_ 15 * Screw Thread_x000D_ 1 * Plastic Box 1It can be used to quickly and efficiently repair damaged spark plug threads. 2Clean and rethread spark plug port, complete kit for meeting different needs. 3Suitable for all kinds of products that require high thread strength. 4Convenient to install, high strength, long service life. 5A plastic box is provided for convenient storage and carrying.