• Durable material: high-quality aluminum alloy, hard and wear-resistant. • Multifunctional: carpenter's rule with angle, protractor, dovetail template, circular hole, parallel and vertical line. • Functions: three-dimensional marks, angle measurement and transfer, stroke size for parallel lines. • Angle - Rich design: 300 mm combination with stops at 45°, 90°, and 135°. • High quality and time-saving function: 1.3 mm thick and 30 mm long rule in metric units. • Universal: suitable for carpentry, construction, mathematical measurements, and crafts.