With metric and inch units: with a clear and accurate scale, it is convenient to read the value. An indispensable measuring tool for woodworking Triangular line made of aluminum alloy: made of sturdy aluminum alloy, anti-deformation, practical and corrosion resistant. Easy to use: special tools, suitable for woodworkers and DIY enthusiasts. Application: it can be used to measure the height of your mill, table saw height, etc. Can be used High accuracy, clear calibration and wear resistance. Specification: Material: aluminum alloy. Measuring accuracy: 0.1. Please note: Please allow a small error due to manual measurement. Please make sure that this is not a problem for you before purchasing.Box contents: 1 x woodworking triangle ruler.