80pcs Thread Checker, Nut and Bolt Gauge Kit,41 Inch & 39 Metric Aluminium Alloy Identifier, Size Finder identifier for Narrow Tricky Area, Workshop Home Repair Use

【Durability Alloy Build】Made from aluminium alloy for dependable wear resistance and stable long term performance , each gauge is designed for repeated handling in busy work areas , while the engraved markings on both sides stay easy to read so matching thread sizes remains clear and efficient over time 【Expanded Special Sizes】Beyond common hardware sizes , this kit includes practical small thread options , giving broader application coverage than many basic checker sets and supporting detailed maintenance tasks 【Complete Size Range】This 80 piece nut and bolt thread checker set includes 41 standard gauges and 39 metric gauges , covering widely used sizes , helping mechanics makers and home users identify fasteners quickly and reduce guesswork during repairs assembly and replacement work 【Triple Reading System】The kit offers three easy ways to confirm specifications , direct physical comparison on the gauge , position guidance from the sticker inside the case , and colour coding with blue for standard and red for metric , making cross checking simple and helping users locate the correct thread faster with confidence 【Organized Carry Case】A custom black foam storage case keeps every checker sorted by size to avoid mixing and loss , while the compact box design is easy to carry and store in a drawer vehicle or toolbox , saving time compared with buying separate gauges and keeping your measuring tools ready to use