Feature: A robust scribing and marking tool. Used to make contours and circles, edge marking etc. Used with the included pencil or with a slim ballpoint pen. Made of plastic and carbon stee, hard and durable. Specification: Material: Plastic, carbon steel Color: As the picture show Size: S: 25x90cm: Max Radius: 45cm L: 40x150cm: Max Radius: 75cm Notice: Due to the different monitor and light effect, the actual color maybe a slight different from the picture color Please allow 1-3mm differs due to manual measurement