rOtring 676560 Compact Giant Universal Compass Set with Lead BoxThe rOtring compact giant universal compass is engineered for creating precise designs and ease of use. With six pieces, this compact compass is universally applicable due to interchangeable inserts, including the compass attachment and extension bar. The radius adjusts easily and stays where you want it to due to the static friction in the compass head. From work and school projects to home improvement tasks, the Rotring compact compass ensures accuracy every time. Features:Fast and smooth radius adjustmentCompass attachment with universal holding device and extension barConvenient handhold depressionsDrawing pen, drawing pen holder, Circles up to Ø 520 mmIdeal for Drawing & Interior, Architectural and EngineeringFeatures a drawing pen holder for ease of useSet includes lead box and spare needleSpecifics:Colour: Black/silverMaterial: GraphiteSize: 520 mmPackage contains: 1 pack of  Rotring 676560 Compact Giant Universal Compass Set with Lead Box