General description The Moore & Wright CSM300 Precision Combination Set is a comprehensive toolset designed for precision measurement and layout tasks. It includes a 300mm rule graduated on both sides, a protractor head, a square head, and a centre head, making it ideal for various applications in woodworking, metalworking, and other DIY projects. Technical specifications Rule length: 300mm Graduation: mm and 0.5mm on both sides Numbering: every 10mm Fixed angles of Square Head: 15°, 30°, 45°, 60°, 75°, and 90° Centre Head fixed angle: 90° for finding the centre of round bar stock up to 120mm diameter Other information The datum faces are fully hardened and ground to resist wear. The protractor features a centrally mounted vial for unrestricted viewing and a full 360° scale plate graduated from 0° to 180°. The precision rules are fully hardened and tempered with deeply etched graduations for ease of reading and durability. Includes a unique rule clamp for positive location and