Inch:1-12,1-8,3/4-16, 3/4-10, 5/8-18, 5/8-11, 9/16-18, 9/16-12, 1/2-20, 1/2-13, 7/16-20, 7/16-14, 3/8-24, 3/8-16, 5/16-18, 5/16-24, 1/4-28, 1/4-20, 10-32, 10-24, 8-32, 6-40, 6-32. Metric: M3-0.5, 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, M12-1.75, M14-1.5, M14-2.0,M16-1.5, M16-2.0, M20-1.5, M20-2.5, M24-2.0, M24-3.0. SAE items are blue and metric items are red. It is convenient,clear and easy for you to check correct size of the nut bolt checker and replace the snapped ones
Made from high-quality aluminum, each gauge is manufactured to strict sizing standards for accurate and reliable thread identification. Laser-etched markings on each piece ensure long-lasting readability, no fading, no smudging, even with frequent use. A must-have for professional mechanics, DIYers, or hobbyists
This comprehensive thread checker kit includes 23 standard (SAE) and 21 metric sizes, neatly organized in a portable black case with foam inserts. Each male/female gauge can be detached, allowing you to easily test threads in tight spaces or match missing nuts and bolts while at the hardware store, more convenient than wire or plate-style checkers
Our thread gauge kit offers three clear ways to identify size: laser-engraved directly on each piece, printed on the side sticker chart, and labeled on the foam insert for easy matching. Instantly locate and remove the correct gauge, no guesswork, no confusion
Whether you're working on automotive repairs, machinery maintenance, or home projects, this thread checker helps quickly identify, organize, and sort nuts and bolts. Keep your toolbox neat and avoid mismatches or lost fasteners, save time and stress during any job