KENT Triangular Scale with Case 30cm and 5cm. 【30cm】 1/100, 200, 300, 400, 500, 600 【5cm】 1/100, 200, 300, 400, 500, 600 This is an old triangular scale. As shown in the photos, both the scale and the case have scratches and stains. Thank you for your understanding. Ruler Drafting Surveying Design Architectural Design Civil Engineering Design Mechanical Design