1、28 in 1 Nut and Bolt thread Checker Set: This thread checker set includes 14 standard and 14 metric sizes, providing comprehensive coverage for most bolts and nuts. 2、14 Standard Sizes: The standard 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. These sizes are commonly used in various applications. 3、14 Metric Sizes: The metric sizes include 4MMx0.7, 5MMx0.8, 6MMx1.0, 7MMx1.0, 8MMx1.0, 8MMx1.25, 10MMx1.0, 10MMx1.25, 10MMx1.5, 12MMx1.25, 12MMx1.5, 12MMx1.75, 14MMx1.5, 14MMx2.0. 4、Clear and Easy to Read: The thread checkers have clear and easy-to-read markings, making it simple to identify the correct thread size and type. 5、Portable and Durable: The set is made of high-quality materials and is designed for durability. It is compact and portable, making it easy to carry and use in various settings. Features: 28 in 1 Nut and Bolt thread Checker Set: This thread checker set includes 14 standard and 14 metric sizes, providing comprehensive coverage for most bolts and nuts. 14 Standard Sizes: The standard 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. These sizes are commonly used in various applications. 14 Metric Sizes: The metric sizes include 4MMx0.7, 5MMx0.8, 6MMx1.0, 7MMx1.0, 8MMx1.0, 8MMx1.25, 10MMx1.0, 10MMx1.25, 10MMx1.5, 12MMx1.25, 12MMx1.5, 12MMx1.75, 14MMx1.5, 14MMx2.0. Clear and Easy to Read: The thread checkers have clear and easy-to-read markings, making it simple to identify the correct thread size and type. Portable and Durable: The set is made of high-quality materials and is designed for durability. It is compact and portable, making it easy to carry and use in various settings. Specifications: Material: Aluminum Alloy 14 Standard Sizes: 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 14 Metric Sizes: 4MMx0.7, 5MMx0.8, 6MMx1.0, 7MMx1.0, 8MMx1.0, 8MMx1.25, 10MMx1.0, 10MMx1.25, 10MMx1.5, 12MMx1.25, 12MMx1.5, 12MMx1.75, 14MMx1.5, 14MMx2.0 Item Size: 508 * 100 * 20mm / 20 * 3.94 * 0.78in Item Weight: 999g / 2.20lb Package Weight: 1103g / 2.43lb Package Size: 53.5 * 11.5 * 3.5cm / 21.06 * 4.53 * 1.38in Package List: 1 * Nut and Bolt Thread Checker 1 * Nut and Bolt Thread Checker Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store