General description The 0-180 Degree Round Head Protractor is a multifunctional tool designed for precision in measuring angles and lengths. Made from high-quality stainless steel, this protractor is durable, rust-proof, and features a polished surface for smooth operation. Technical specifications Material: High-quality stainless steel Angle measurement range: 0 ° to 180 ° Usage Ideal for student drawing Useful for DIY projects Applicable in architectural design Great for carpenters and woodworking enthusiasts