70 in 1 Screw Nut Thread Pitch Detector Metric And Imperial Bolt Measuring Gauge

1. Dual metric and imperial specifications allow quick identification of nut, bolt, and thread sizes, enabling fast sorting of mixed screw components
2. Made of high quality aluminum alloy, offering high strength, stable precision, rust resistance, durability, and extended service life
3. Three size-reading methods: sticker labels, EVA liner screen printing, and laser engraving, providing clear readings and enabling rapid specification verification within seconds
4. Includes an EVA storage box with individual slots for each tool, ensuring organized, categorized storage, easy portability, and reduced risk of loss
5. Simple to use, just screw into the bolt or nut to instantly determine its size, ideal for quick inspections in repair and machining applications