You Will Get: there are nut and bolt gauges, enough quantity can meet your using needs; It is an accurate tool to make you easily check the size of bolt and nut, and the permanent markings on it can accuracySturdy Material: the bolt measuring tool is made of quality plastic, which is sturdy and reliable, not easy to break or deform, with clear marking for easily reading, you can use it with confidenceEasy to Store: the bolt gauge sizing tool features laser marks, which will not easily fade or scratch, and it can be easily hung , fixed on the toolbox, or just put on the workbenchPractical Tool: the bolt and nut sizer is a helpful tool for your to easily check the size of bolt and nut before buying the replacement, and each gauge can rotated on the cable at will to achieve rapid thread verification, suitable as a nice addition for your toolboxPlease note: Slight color difference or difference in kind, does not affect the use, please do not mind, thank you!Colour:blueMaterial:plasticPackage Contents:1 x Thread Gauge Checker