2PCS Bolt Size Finder, Bolt and Nut Sizer Keychain, Precision Thread Checker Gauge Tool, Metric & SAE Thread Identifier for Fast and Accurate Measurement
Instant, Reliable Thread Size Identification – Stop wasting time guessing bolt or nut sizes. This precision thread checker keychain lets you identify both metric and imperial threads in seconds, whether you're repairing machinery, working on your car, or assembling furniture. Its compact size makes it perfect for use anywhere—from a busy construction site to your home garage.
Engineered for Long-Term Use – Built from high-grade stainless steel and aluminium alloy, this tool is designed to withstand constant handling and exposure to tough work environments. The multi-layer polished finish not only resists rust and corrosion but also feels smooth in the hand, adding a touch of quality to every measurement.
Effortless Dual-Unit Reading – Featuring clearly etched metric and SAE measurements, you'll never have to second-guess your readings. The easy-to-read scale ensures quick, accurate identification without fumbling between different tools or charts.
Compact Keychain Portability – Small enough to hang from your keys, belt, or tool bag, yet powerful enough to handle daily measurement needs. Wherever you go, your size finder goes with you—always ready when a fast measurement is needed.
Perfect for Professionals & DIY Enthusiasts – Whether you're an automotive mechanic, a carpenter, a builder, or a weekend hobbyist, this keychain tool saves time and ensures precision, making it a must-have addition to any toolkit.
Package Includes
2 pcs * Thread Size Checker Keychain
How to Use
Select the bolt, nut, or screw you wish to measure.
Align it with the corresponding opening on the gauge.
Read the size instantly from the clear laser-etched markings.
Use the integrated vernier calipers for fine measurements if needed. Attach the keychain to your keys, belt, or tool bag for convenient access anytime.