Features: 1Nut and Bolt Thread Checker Kit: The 26PCS nut and bolt thread checker kit is manufactured with high accuracy to provide you with accurate thread inspection results. 2Versatile Design: With this combination of tools you can easily inspect threads of different specifications for nuts and bolts with a wide range of nominal diameters. 3Convenient and Practical: The tool set includes a variety of sizes of male inch thread inspectors to meet your different inspection needs and simplify your workflow. 4Carbon Steel ABS Material: The use of high grade carbon steel ABS material durable and reliable can be used for a long time with reliability. 5Easy to Operate: The tool design is simple and easy to use ideal for professional repair personnel and DIY enthusiasts. Specification: Item Type:NutBoltThreadCheckerWeight: 500g/17.6ozMaterial: Carbon steel ABS14 Inch Size: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 1/2-2012 Metric Size:M4x0.7 M5x0.8 M6x1.0 M7x1.0 M8x1.0 M8X0.25 M10x1.0 M10X0.25 M10x1.5 M12x1.5 M12x1.75. Package List: 26 x Nuts and Bolts1 x Storage Box