The spark plug thread repair tool set is designed to tackle the common problem of spark plug threads. With its straightforward application, it simplifies the repair process, making it accessible for various automotive models. Constructed from durable materials, this tool promises reliability and longevity. By repairing the threads, you can avoid the expense of replacing the entire spark plug. Features -Color:Assorted Color -Material:Metal -Size:7.00X1.50X1.50cm/2.75X0.59X0.59in -Size:6.50X2.00X1.70cm/2.55X0.79X0.67in -Note: Random Color Accessory -Size: Spark Plug Insert Thread Diameter: 14mm/0.55 inch; Spark Plug Insert Thread Pitch: 1.25mm/0.049 inch -Size: Thread Inserts Length: 0.9cm (0.35inch), 1.1cm (0.4inch), 1.6cm (0.6inch), 2.0cm (0.8inch) inclusive kit: with of inserts for different 14 mm thread size spark plugs -Effortless operation: designed for ease of use, allowing both professionals and diy enthusiasts to achieve excellent results with minimal effort - durability: crafted from stable materials, this kit is designed to endure frequent use and provide reliable performance -Broad compatibility: suitable for a variety of automotive models, making it a versatile tool for any mechanic's collection - option: provides a way to fix spark plug threads, avoiding the need for costly replacements Package list: 1 x Thread Tap 4 x Thread Inserts