Material: aluminum alloy. Well made from aluminum alloy with high degree of hardness, long-lasting. With a clear and accurate scale, it is easy to read the value. Special tools, suitable for woodworking and DIY enthusiasts. This square is a stand alone. It can be used to measure the height of your cutter, table saw height etc Specifications: Material: aluminum alloy. Size: as shown in the picture. Weight: approx. 470 g. Features: High quality. Well made from aluminum alloy with a high degree of hardness, long-lasting. With a clear and accurate scale, it is easy to read value. Special tools, suitable for woodworking and DIY enthusiasts.This square is a stand alone square. It can be used to measure the height of your cutter, table saw height etc. - Note: 1. Please allow small errors in size due to manual measurement. Please ensure that you are happy about this before ordering.2. The color may differ from the picture. Thank you for your understanding. Package includes: 1 x Woodworking Triangle Rule.