The brunton truarc 3 compass is a reliable durable and compact entry level compass with a global needle that is ideal for orienteering and map reading that you can take with you anywhere in the world the brunton truarc range features the truarc global needle that will not lose polarity resists magnetic interference and is suitable for using in both the northern and southern hemispheres this means you can take your brunton truarc compass with you for all your expeditions in the uk as well for tha