Nut and bolt thread checker: These bolt thread gauge includes 26 male/female gauges – 14 inch & 12 metric. Each size has a nut and bolt checker on the same gauge. Thread sizes are permanently carved on each bolt and nut size and thread gauge with distinct mark.
Clear zinc plated are inch gauges: Includes 14 Inch size part numbers: 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.
Black oxide are metric gauges: Includes 12 metric sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75.
High-quality materials: These thread checker standard and metric are made of High quality stainless steel.Inch gauges are clear zinc plated, metric gauges are black oxide. They are resistant to rust and corrosion, and have a longer service life.
Convenient and practical: The wire cable of this thread identifier with loop for hanging it on the wall in your workshop or garage beside your toolbox. The individual gauges rotate freely on the wire cable for fast thread verification size. Fast organize your garage and sort your nut & bolt with this nice tool, Identifying the size and thread of nuts and bolts before making trips to the hardware store to match them, save your valuable time.