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 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 materials Its sturdy construction ensures it will last for years , providing accurate measurements and saving you money in the long run Made with , this gauge undergoes a forging and precisions machining process to 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, Manufacturer: Watreketal