Features: The 44 Size Nut and Bolt Thread Checker is indispensable tool for quickly identifying both metric and standard thread size, ensuring you always have the right fit for your project. Featuring SUS304 bolt struts and a robusts 6061 aluminum body, this thread checker boasts clear etches scales for precise measurements and easy size recognition. Suitable for professional and enthusiasts alike, this tool simplifies hardware identification, saving time and eliminating guesswork. Perfect for use in workshops, garages, or on site job, the mounting holes allow for convenient wall or workbenches placement, let it within reach when need. Enhances your tool collection with this thread gauge identifier; its comprehensive rangings of size and user friendly designings make it a must get for any hands on task. Specifications: Material: aluminum Type: 28 hole/18 hole/44 hole(optional) Package Includes: 1xNut & Bolt Gauge note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.