Specification Brand : JAOCDOEN BulletPoint1 : ACCURATE AND TIME SAVING: Say goodbye to cumbersome socket testing methods. The portable thread gauge verifies dimension instantly and accurately, saving valuable time and effort. Reduces the possibility of error and accurately meets the needs of professional craftsmen and handmade enthusiasts BulletPoint2 : STRONG MATERIALS: The use of quality aluminum alloy material in the production of size finder key rings ensures that the product is long lasting, strong, and has a long life, which you can rest assured that you can use BulletPoint3 : WIDE APPLICATION: Whether you are in the automotive, home improvement or mechanical industries, thread gauges provide stable dimensional checks for a wide range of and nut types and are an indispensable tool for daily and professional work BulletPoint4 : TWO SCALES: Thread checkers offer dual scale readings in metric and imperial units, providing universal compatibility and accurate measurement options to meet the needs of every project BulletPoint5 : CLEAR AND EFFICIENT: The nut thread checker has clear, easy to read marking, ensures accurate thread sizes, minimizes errors and increases efficiency ItemName : Checker Keychain Thread Size Checker Keychain Portable Accurate Nut Size Finder Inch Metric 2 Scale ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : thread-gauges Manufacturer : JAOCDOEN ModelName : JAOCDOENk5ixg32aqu ModelNumber : JAOCDOENk5ixg32aqu PartNumber : JAOCDOENk5ixg32aqu ProductDescription : Spec: Item Type: Thread Size Checker Keychain Material: Aluminum alloy Use: Thread size checker provides double scale readings in metric and imperial units, offering universal compatibility and accurate measurement options to meet the needs of every project. Clear and easy to read markings ensure accurate thread sizes, minimizing errors and improving efficiency Size(LxWxT): Approx. 13 x 2.6 x 0.4cm / 5.1 x 1 x 0.2in