Staedtler Compass 553 with extension bar

STAEDTLER® 553 Quick-setting compass with push-button mechanism and centre wheel. Hinged lead leg and needle shoe. Interchangable lead part 4 mm shank. Max. circle 360 mm. Max. circle diameter with extension bar: 560 mm. Case with hinged lid containing 1 quick-setting compass with extension bar, spares box and universal adapter ...