2025 ALL IRELAND TIDE TABLES NOW IN STOCK

Flat rate delivery to the National Maritime College of Ireland

Your gonna need a bigger boat!!

Sema – Quick Set Bow Compass

12.50

LECTURER RECOMMENDED FOR CHARTWORK

New developed knee-joints

The new developed clamp mechanism gives a higher stability to the knee-joint, especially if you use an universal adaptor or extension bar.

2 metal levers

The rapid adjustment can be done by the 2 metal levers. The fine adjustment can be done by using the center-wheel.

Set contains:

  • spare leads

Technical details:

  • interchangeable lead and needle insert (pivot: Ø 4.0mm)
  • lead and needle holders are made of metal
  • length: 170mm
  • maximum circle diameter: 300mm

21 in stock

Additional information

Weight 0.25 kg
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