Description: Durable Material: The carpentry square triangle ruler is made of premium aluminum alloy material, high hardness, wear resistant, sturdy and durable to use.Portable Size: Woodworking ruler, length x width x thickness 15cmx15cmx1.6cm/5.91inchx5.91inchx0.63inch, hypotenuse length 20.4cm/8.03inch. Portable and lightweight, easy to store and carry.Clear Scales: 45 degree and 90 degree angle ruler with both imperial metric and scales, clear scales for easy reading, and can quickly check 45 degree and 90 degree angles.Humanized Design: Practical right angle ruler, built in 3 holes, convenient for your fingers to hold, 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 Package Includes: 1 Angle Ruler