Description: Premium Material: The woodworking ruler is made of premium aluminum alloy material, wear resistant, sturdy and ensures a long time to use .Accurate Scale: The 100mm L shape carpenter square has clear and accurate scale for easy reading, ensuring accurate measuring and positioning .Easy to Use: Professional 90 degree machinist square layout scriber, satisfies the needs of woodworking projects, not easy to tilt, easy to measure the right angles .Portable Size: Compact right angle engineer ruler, space saving, easy to store and carry, suitable for different workplaces .Wide Applications: The woodworking scriber measuring tool is suitable for woodworking, engineering, construction and DIY projects, it is a practical tool for carpenters . Specification: Product size: 9 .2cmx10 .2cm/3 .62inchx4 .02inch Material: Aluminum Alloy Package Includes: 1 Carpenter Square Note: Please allow slightly errors due to manual measurement and different monitors .