ATKA Baseline Compass The Atka® AC70 baseline compass features: Liquid encapsulated global needle • Index line with movable bezel East/West declination scale • Ruler and compass scale baseplate Meridian lines • Lanyard.

ATKA Baseline Folding Compass The Atka® AC90 baseline folding compass features: Liquid encapsulated global needle • Hinged bearing magnifier Index line with movable bezel • East/West declination scale Ruler and compass scale baseplate • Orienting templates Meridian lines • Lanyard • Folds down to pocket size (56 x 82) mm.