Description:The Inch & Metric Thread Tester is an accurate and easy-to-use thread identifier for both nuts and bolts. Each individual gauge features a male threaded stud on one end and a female threaded hole on the other. The Thread Tester is especially well suited for distinguishing between similar inch and metric threads. Conveniently assembled onto a wire loop, it's the perfect portable solution! Hang it on your shop wall or store it in your tool box for safe keeping.- Each size has a nut and bolt checker on the same gauge. 26 male/female gauges - 14 inch & 12 metric.- Thread sizes are permanently stamped onto each gauge (inch in silver, metric in black)- Inch gauges are clear zinc plated, metric gauges are black oxide.- The individual gauges rotate freely on the wire cable for fast thread verification- Wire cable with loop for convenient hanging- Easy to use and easy to carrySpecifications:Material: MetalNet: 280gLength: 75cm / 29.5"Size Specifications:Inch (14): 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20 Metric (12): M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75Package Included:1* Bolt Nut Screw Thread TesterNotes:Please allow slight error due to manual measurement. Thanks for your understanding.