GRENTOOL 52PCS Thread Checker, SAE & Metric Bolt Size Finder Nut Gauge

Key features

• Detachable Design for Hard-to-Reach Spaces Unlike bulky fixed-board checkers, each of the 52 thread gauges in this GRENTOOL thread checker kit is individually detachable. This allows you to easily take the exact bolt size finder you need to tight spots, making nut and bolt thread checker tasks effortless on engines, machinery, or furniture assemblies.
• Dual-Color Laser Engraving & Organizer Instantly distinguish between systems with our color-coded design: Blue for 28 SAE thread gauges (sizes like 1/4-20, 5/16-18, 3/8-16) and Red for 24 metric thread gauges (sizes like M8x1.25, M10x1.5, M12x1.75). The high-contrast laser engraving ensures the thread gauge markings are clear and durable, while the foam organizer keeps your measuring tools secure.
• 52 Versatile Sizes for Any Project This complete thread checker set covers you for any job. The screw size checker and bolt sizer include 28 Standard (UNC/UNF) and 24 Metric (Coarse/Fine) sizes. Whether you're restoring a classic car, doing home improvement, or sorting a messy hardware bin, this nut and bolt sizer handles it all.
• Save Time & Eliminate Guesswork Stop wasting time with frustrating trial and error. This bolt size finder tool allows you to instantly measure and identify fasteners in seconds. Organize your workshop, select the right screw for the job, or check your mechanics tools inventory with professional accuracy. A must-have for any toolbox accessories collection.
• Durable Construction & Professional Quality Crafted from premium aluminum alloy, these thread checkers are built to last in any garage or professional shop. The precise machining on each thread gauge set ensures a perfect match every time, giving you the confidence of a reliable measuring gauge for all your nuts and bolts projects.

Free shipping on orders $50+. 30-day hassle-free returns.