Find your way with Coghlan's Map Compass. Ideal for reading maps, this compass features a see-through base and rotating, liquid-filled housing. The base contains scales in inches, millimeters, and 1:25,000 with jeweled needle and luminous pointer.FeaturesLiquid filled compassScale in kilometers, millimeters, and 1:25,000Jeweled needleLuminous pointerInstruction sheet includedDimensions: 3.43 in. x 2.36 in. (87 mm x 60 mm)Scales: 1:25,000Weight: 31 g