- Set of 2 straight aluminum rulers, 20 cm (8") and 30 cm (12"), designed for precise measurement in professional and educational environments. - Aluminum alloy material: lightweight, rust- and corrosion-resistant, highly durable, and easy to handle. - Scales engraved in centimeters and inches, with a conversion table on the back to facilitate measurement interpretation. - Smooth, burr-free surface, with holes for easy hanging and storage. - 28 mm width provides greater stability and accuracy with every use. - Versatile tool for technical drawing, crafts, paper splicing, and home decoration. - Ideal for artists, designers, architects, engineers, and DIY enthusiasts seeking precision and durability in their measurements.