【Master 55-Piece Nut & Bolt Identifier Set】 Identify fasteners with professional precision. This comprehensive master kit includes 30 SAE (Standard) and 25 Metric sizes, covering the most common and hard-to-find thread pitches. It is an essential tool for mechanics and DIY enthusiasts to ensure seamless threading inspections in any workshop or garage
【Exclusive M11 Sizes for Automotive Mechanics】 Stand out with specialized M11x1.25 and M11x1.5 metric thread gauges. These unique sizes are critical for main cylinder components and automotive engine repairs, making this bolt and nut identifier gauge a must-have for professional technicians who require more than just a basic hardware set
【Tri-Reading Identification System】 Maximize your workflow efficiency with three distinct ways to read sizes. Each screw pitch gauge features permanent laser-etched markings, complemented by easy-to-read stickers on the foam rack and intuitive color-coding (Blue for SAE, Red for Metric). No more guessing—just quick, accurate selection
【Heavy-Duty Aluminum & Male/Female Testing】 Crafted from premium industrial-grade aluminum, these durable gauges allow for precise testing of both male and female threads. The high-contrast labels remain readable even in busy professional environments, providing a rugged and reliable alternative to flimsy plastic thread checkers
【Organized Storage & Hardware Store Saver】 Say goodbye to time-consuming trips to the hardware store. All 55 thread identifiers are housed in a structured hard-shell case with a custom-fit foam storage rack. This organized management system keeps your kit portable and ensures every piece stays securely in place for easy access