- Constructed from high-quality stainless steel, this tool is resistant to rust and designed for long-lasting durability. - Features a versatile 0-180 degree measuring range with a precise accuracy of 5' (0.08 degrees), ensuring reliable and exact measurements every time. - Each scale line is meticulously engraved using laser technology, providing clear visibility and preventing wear for lifetime use. - Equipped with a bevel-edged extension blade, roller knob, and fine adjustment capabilities for enhanced usability and flexibility in various tasks. - Ideal for accurately measuring both inner and outer angles of components, making it essential for woodworking, metalworking, and construction projects. Use scenarios: 1. Perfect for carpenters measuring the angles of joints to achieve precise cuts for furniture or fixtures. 2. Great for mechanics assessing the angles of parts for proper alignment during assembly or repair work. 3. Suitable for architects or engineers requiring accurate angle measurements for project designs and implementations.