Ecobra Large Combination Bow Compass

Large Combination Bow Compass wit a centre wheel, all-metal construction, safety ring, for use of many different drawing instruments, like lead pencils, coloured pencils, ballpoint pens, felt pens etc. up to a barrel diameter of 11,5 mm, working range up to 330 mm Ø, mat nickel plated, transparent covered box.

Ref. 3720