1.Excellent Aluminum Alloy Material: Crafted from highquality aluminum alloy, this carpenter square layout tool exceptional durability and accuracy. The slick design and precisely etched markings ensure easy and accurate measuring for your carpentry projects. 2.Multifunctional Design: This versatile carpenter square combines the functions of a rafter's square and a protractor. Whether you need to measure angles, mark layouts, or determine vertical and horizontal readings, this tool is your goto solution. 3.Ergonomic and : Designed with an ergonomic shape and clear resolution markings, this multifunctional rafter square ensures ease of use and precise measurements. It is an indispensable tool for engineers and woodworking enthusiasts. 4.Wide Application Range: Specifically designed to meet the needs of engineers and carpenters, this triangle ruler rafter square has a wide range of applications. Its highly visible markings and userfriendly features make it suitable for efficient measuring and layout tasks.