[Convenient and Portable]The innovative detachable design of this allows for easy transportation and storage. Tailored specifically for frequent use, each individual part can be separated from the main loop, allowing you to carry and use only the sizes you need, whether on-the-go or in tight workspaces. [Enhanced Visibility and Durability]Crafted from aluminum, each thread gauge is anodized with a distinct red or blue oxide layer, ensuring enhanced visibility and . The size markings are particularly designed for clarity, providing resistance against rust and wear for enduring use in any workshop environment. [Comprehensive Inch Size Coverage]Equipped with 14 critical inch sizes ranging from 6-32 up to 1/2-20, this gauge set addresses a wide range of standard measurements, making it an essential tool for mechanics, DIY enthusiasts, or working with American nut and bolt sizing. [Complete Metric Size Assortment]This set includes 12 fundamental metric sizes from -0.7 to M12-1.75, ensuring you have the necessary tools to handle a of jobs involving metric measurements. Each size is clearly marked on red oxide layer aluminum for easy identification and use. [Fast and Efficient Tool Organization]Featuring 26 male/female gauges (14 inch and 12 metric sizes), this empowers you to quickly identify and organize assorted nuts and bolts. perfect for keeping your hardware neat and preventing loss, it's a must-have for maintaining an orderly workspace. The actual product may have slight color differences or differences, which does not affect use. Colour:blue+red Material:Metal Package Contents: 1set x Male/Female Identifier Gauges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.