Clutch Compass 557 With Extension | Staedtler

with central screw and buttons for quick friction adjustment, articulated rods, in case with extension, lead tube and universal coupling for compasses, screw clamp for all pens. compass in nickel-plated brass with central screw and blue reinforced plastic material. the adjustment and the stop take place by means of the 2 friction buttons placed on the rods, while the micrometric adjustment is carried out by means of the central screw and both rods are articulated. for rims with a diameter up to a maximum of 330 mm, with an extension of 580 mm- compass length 168 mm