•【Integrated Keychain Design】Compact and portable, this precision thread gauge is conveniently carried as a keychain for easy access. •【Precise Measurement Markings】Quickly identify common thread sizes with accurate scale markings, enhancing efficiency in various tasks. •【Durable Metal Construction】Crafted from wear-resistant and anti-corrosive metal, ensuring long-lasting performance and reliability. •【Versatile Application】Ideal for mechanics, repair work, DIY projects, and other engineering scenarios, serving as an indispensable tool for professionals. •【Pocket-Sized Convenience】With its compact dimensions, this thread checker easily fits in pockets or toolboxes for on-the-go use. Specifications: •Material: metal •Dimensions: 8.7 x 2.5 x 0.4cm •Suitable for: Mechanical work, repairs, DIY projects Package included: •1 x Precision Thread Gauge