44 Male/Female Bolt Size and Thread Gauge, Nut and Bolt Thread Checker Box (23 Inch & 21 Metric) Bolt and Nut Gauges for Recognizing Size on Tricky and Narrow Area

Package Content: You will receive a 44 nut and bolt thread checker with 23 inch & 21 metric, including M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0, M24x3.0. INCHES: 6-32, 6-40, 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, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 1-8, 1-12.
Premium Material: Our bolt and nut identifier gauge is made of premium aluminum alloy, reliable and sturdy, has a long service life. Stored in a box, easy to carry and use in your daily life.
Size Recognition: The bolt thread checker is designed with 3 ways to get sizes quickly, including sizes clearly engraved on the gauge itself, size chart on art paper sticker, and sizes screen printed on foam.
Easy to Use: Just thread the nut or bolt onto the thread gauge. Check dimensions in just seconds. Help you replac