Wear-Resistant Design: Constructed from ABS,this drafting triangle ruler satisfies teaching demonstration requirements and tolerates constant usage,offering an effective tool for academic settings where precision and durability are great Enhanced Art Creation: Designed with a 32.5cm base and 23cm side,this triangle ruler stands out in large-scale art creation,offering stability and precision to elevate artistic projects while remaining a reliable choice for architectural drawings and educational purposes Precision Drafting Device: Equipped with an integrated protractor,this set square simplifies angle determination and line drawing,offering a seamless experience for engineers,artists,and educators who rely on exactness when constructing geometric shapes or analyzing spatial relationships Enhanced Control Feature: Designed with a secure grip and red handle,this triangular ruler facilitates stable handling and precise drawing accuracy,allowing seamless execution of geometric patterns or layouts on flat surfaces,supporting both educational and creative applications Versatile Readability: The drafting triangle combines a see-through design with striking black and red scales,enabling effortless readability on diverse surfaces such as white sheets or dark boards,thus improving workflow efficiency for artists and drafters alike, Manufacturer: WDWDW