Easily measure both imperials and metric fasteners, as well as coarse and finethreads. This gauge covers the diameter, pitchs, and length of most bolts, and screws. Made with good quality plastic, this gauge undergoes a forging and precisions machining process to ensure longevitys, wear resistance, and precise positioning. Its high temperature quenching makes it slip resistant andguarantees a long service life. Whether you're a hobbyist or a professional in need of accurate measurements, this gauge is a must have tool for anyone working with bolts, screws, or It simplifies the measurement of both imperials and metric fasteners, making your projects easier and more efficient. From automotive repairs to home improvement projects, this gauge is indispensable for measuring bolts, screws, and of various sizes. It covers a wide ranges of dimension, from#4 to 1" for length and 3mm to 22mm for metric fasteners. Crafted with precisions and durability in mind, this gauge combines cost saving manufacturing techniques with good quality materials. Its sturdy construction ensures it will last for years, providing accurate measurements and saving you money in the long run., Manufacturer: CUDTAPI