The spark plug gapping tool is simple and easy to use, precise and accurate, bring much convenience to you. Excellent and reliable. The simple design will ensure its high performance as excellent spark plug gapping measurement tool. The gapping surface of each piece is fully hardened to insure long tool life. Features -Color: Silver. -Material: Carbon Steel. -Size: About 3.80X3.80X0.30cm/1.49X1.49X0.12in. - Scale range: 0.020 to 0.100 inch. - Metric range: 0.6 to 2.4 mm. - With simple structure and scientific design, easy to operate, and provides you with easier measuring method. - The scale range of this spark plug gaps gauge is from 0.020 to 0.100 inch, and the metric is from 0.6 to 2.4 mm. - It has fine workmanship, high accuracy, lightweight and portable for store and carry. - Manufactured with carbon steel material, with excellent durability and practicality. - Get the perfect present for that toolbox in your life with this spark plug gaps gauge tool. Package list: 2 x spark plug gaps tools