Sturdy Aluminum Alloy: Angle measuring tool crafted from sturdy yet lightweight aluminum alloy,this woodworking square protractor offers durability and a comfortable grip for extended use. Anodized Design: The woodworking square undergoes anodizing process,with high hardness and wear resist to maintain accurate markings. Versatile Tool: This triangular ruler serves multiple purposes,such as measuring,aligning,and marking,easy to use,suitable for various tasks in woodworking and layout projects. Thickened Design: The ruler is thickened and can prevent shifting during use,reducing errors, accurate measurements in woodworking and layout applications. Ideal for Professionals: Multi angle measuring ruler suitable for engineers,carpenters,and decorators,ideal for measuring circular materials,three dimensional workpieces,square wood,pipes,and more., Manufacturer: WDWDW