Description: Premium Material: The carpentry square triangle ruler is made of premium aluminum alloy material, high hardness, wear resistant, sturdy and ensures a long time to use.Portable Size: Woodworking square, length x width x height 9cmx2cmx9.5cm/3.54inchx0.79inchx3.74inch, portable and lightweight, easy to store and carry.Easy to Use: Angle measuring ruler protractor with clear scale for easy reading, and can quickly check 45 and 90 degree angles by simply sliding it, easy to operate.Multiple Functions: Practical multipurpose carpenter square hole scribing ruler, easy to mark line and measure angles, effectively improve work efficiency, convenient and labor saving.Wide Applications: Professional triangular ruler angle measurement tool, suitable for carpenters, machinists, engineers, workshops, industrials and household use. Specification: Material: aluminum alloy Size Chart: 9cmx2cmx9.5cm/3.54inchx0.79inchx3.74inch Package Includes: 1 Carpenter Square