Convenient bolt measurement: easily measure bolt diameters with this tool, making it a convenient addition to your measuring instruments. engineering: engineered for precise measurements, this tool provides accurate readings, essential for detailed and meticulous work. Aluminum alloy construction: crafted from Long-lasting Aluminum alloy, this gauge tool is to wear and tear, ensuring longlasting performance. Portable and easy to store: its small size and nature easy to transport and store, ideal for outdoors use. Wide application: this multifunctional tool is suitable for various uses, including measuring drill bits, making it highly versatile., Manufacturer: Ounfhtrttk