【High Quality】The speed square is made of high quality aluminum alloy meterial, with strong cast aluminum body, with clear and accurate scale, convenient to read value 【Easy to Use】The framing square is convenient to use, use as saw guide for angle measurements and cuts, ideal for all building and remodeling projects 【Feature】The carpenter square is compact design, easy to carry and store, features a protractor scale 0-90°, has good performance and long service life 【Practical】This roofing triangle protractor is manufactured under strict quality control and standard requirements, with excellent craftsmanship, very practical in life 【Wide Use】The triangle angle protractor has a wide range use, useful for hobbyists, home builders, manufacturers, DIY lover & artists, Manufacturer: LiebeWH