Description: Application: The Inch/Metric Thread Checker 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. 26 Specifications: Each size has a nut and bolt checker on the same gauge. 26 male/female gauges 14 inch and 12 metric. Thread sizes are permanently stamped onto each gauge (inch in red, metric in white). Inch and Metric: Inch gauges are clear zinc plated, metric gauges are black oxide. Easy Use: The individual gauges rotate freely on the wire cable for fast thread verification. Portable and Easy Store: 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. Specification: Material: Metal Color: As shown Length: 75cm/29.5inch 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): -0.7, -0.8, -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, M12-1.75 Package includes: 1pc x Bolt Nut Thread Checker Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.