About This π οΈ Comprehensive Thread Measurement: Includes 51 precision blades for accurately measuring thread sizes of various screws and bolts. π Dual Thread Standards: Features 55-degree British Whitworth (BSW) and 60-degree metric thread pitch gauges for versatile use. π§² Accurate Thread Profiles: Each blade is individually stamped with precisely formed thread profiles, ensuring reliable measurements. πͺ Internal and External Threads: Suitable for measuring both internal (female) and external (male) screw threads with precision. π Easy Identification: Facilitates quick identification and verification of thread pitches for maintenance and repair tasks. πͺ Durable Construction: Built to last with robust materials, suitable for workshop environments. π Essential Tool: Ideal for workshop professionals and hobbyists needing precise thread measurement for various applications. Overview Material : Alloy Steel Thread Size : Imperial & Metric Exterior Finish : Stainless Steel Manufacturer Grade : standard" or "suitable for general use Head Style : Flat