Precision compass with telescopic extension bar, friction head for precise and smooth adjustment of the radii, interchangeable lead part with pivot Ø 4.0 mm. Hole: 3.5 mm. Hinged leg joint and needle. Maximum diameter of the circle sign: 360 mm to 470 mm with extension rod. Length: 146 mm. Colour: silver. Contents: main compass, dividers, universal adapter and spare parts box in case with hinged lid.