Staedtler 552 Mars Comfort Quickbow Compass | Quick-setting compass with push-button mechanism and centre wheel | Hinged lead and needle legs | Interchangeable lead part with shank 4mm | Interchangeable needle | Max. circle approx. 350 mm, with extension bar approx. 585mm | Length 170mm | Case with hinged lid containing 1 quick-setting compass with lead part, universal adapter and spares box | This item is manufactured in Germany