Description Aluminium Beam Compass Set with 2 bars, each 33 cm length, graduation with cm/mm- and inches (1/16“-graduation) up to 30.8 cm / 12,125 inches or with lengthening bar up to 64 cm / 25.25 inches, incl. coupler, 2 profile inserts with lead and pointed needle, pen part, adaptor with standard thread, suitable for all commercially available fineline mechanical pencils and ink parts, mechanical pencil part 0.5 mm, spigot Ø 3,5 mm, lead box with 2 leads and 1 shoulder needle, working range up to Ø 618 mm, with lengthening bar up to Ø 1282 mm
