Nut and Bolt Thread Checker, 26 Male/Female Gauges (Imperial & Metric), 14 Inch 12 Metric Size Identifier for Quick Verification of Nuts Bolts

26PCS Dual Sizes Thread Gauge: Combining 14 SAE inch sizes and 12 metric sizes, this thread checker covers most commonly used nut and bolt specifications. The metric sizes include: M4x0.7、M5x0.8、M6x1.0、M7x1.0、M8x1.0、M8x1.25、M10x1.0、M10x1.25、M10x1.5、M12x1.25、M12x1.5、M12x1.75; the inch sizes include: 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.It is an all-in-one fast size finder to eliminate size confusion once and for all. Time-Saving & Labor-Saving Size Identification Tool: No more tedious trial-and-error matching or rummaging through messy toolboxes to confirm bolt and nut sizes. You can quickly identify external and internal thread sizes in seconds, even for rusty and hard-to-disassemble fasteners. Great for pre-project size verification, effectively cutting down preparation time and greatly improving your working efficiency. Premium Stainless Steel & Exquisite Workmanship: Made of high-strength stainless steel, this thread gauge features superior hardness, wear resistance and rust-proof performance, far more durable than ordinary aluminum gauges. Each gauge is engraved with clear size markings for easy reading. Equipped with a flexible connecting steel wire, the gauges can be rotated freely for convenient sorting and use. Humanized Portable & Storage-Friendly Design: Comes with a hanging hole for easy storage. You can hang this thread measuring tool on a pegboard, tool rack or tool bag to keep your workbench neat and tidy. The lightweight and compact structure won’t take up extra space, easy to carry for outdoor maintenance, factory work and home DIY projects. Widely Applicable & Easy to Operate: Dual-end functional design: one end with external thread for nut detection, and the other end with internal thread socket for bolt measurement. Just screw the fastener onto the gauge to complete quick identification. Ideal for auto mechanics, carpenters, welders, plumbers, workshop technicians and DIY enthusiasts, a must-have practical tool for household and industrial use.