6 Jet Spectra has a compassneedle that is very stable and with a special dampening system it is very stable and reliable even when you are running. Fluorescent colour on the needle for easy and clear reading in dark. Baseplate is transparent and markings in millimetre. Elastic thumb strap and rubber pad for better grip.
For right hand
Scales: mm and 1:15 000
Detailed instructions available here>>