Nut and Bolt Thread Checker

❤️TIPS: All goods are authentic, with genuine patents, counterfeit must be investigated! Customers, please identify our products! 🎁As a Perfect gift for craftsmen, engineers, weekend warriors and DIY, this limited stock Nut and Bolt Thread Checker will be perfect! Quickly ldentify the Messy Bolt and Nuts, Easily know all about unfamiliar nuts and screws! 【Two models available】-There are two regular and upgraded models, 29-hole and 56-hole, available. The black regular model can be used in daily screws and nuts. The red upgraded model is compatible with most screws and nuts.【QUICK IDENTIFICATION】-Simply screw the nut or bolt onto our thread checker and instantly measure the size. Our standard and metric thread checkers allow you to quickly and easily check nuts and bolts for the correct size, making it easy to replace broken, loose, rusted or worn parts.【EXCELLENT QUALITY】-The bolt and nut Identifier gauge is crafted from thicked aluminum alloy and hardness SUS304 stainless steel thr