Metal Compass Ring Type 660 Silver – Precision Drawing Tool 5–400 mm
Metal Compass Ring Type 660 Silver is a reliable and precise drawing tool designed for school and technical use. With a clamping diameter of 3.5 mm, it allows accurate circle drawing in the range of 5 mm to 400 mm. Its durable metal construction ensures stability and long-term performance, making it suitable for students and professionals alike.