The triangular ruler is made of high-quality metal materials and is precisely manufactured by German-funded companies. It is very suitable for engineers, architects and designers. Allows you to report directly or read the distance between two points without any conversion, the total length is 30cm long and an additional 15cm ruler. The high precision drawing scale can provide accurate data for various engineering drawings, engineering development, construction and machinery. Six reduction ratios, metric triangular scales are 1:100 1:200 1:250 1:300 1:400 1:500, and Different versions with different ratios are available. The edges and corners of the scale are edged to prevent sharp corners from damaging your hands, and the characters are clearly engraved for easy reading of the data of drawing measurement. Edge treatment to avoid damage to sharp corners when drawing. Laser engraving, extremely high precision, never fade. Six metric scales help you work efficiently and quickly. Ideal drawing tool for architects, draftsmen, engineers, homes and offices. Product name: Triangle scale Net weight: 85g Dimensions: 30 cm Color: silver Proportion: large proportion Metric scale: 1:100 1:200 1:250 1:300 1:400 1:500 You get 1 large scale silver triangle Welcome to meet Sold by grid cool store