This compass can be hand held, or installed in any inclination or position, vertical, horizontal, lying flat or even upside down. The Iris is a race course compass which can also be used to take hand bearings. Easily moved around the boat, it is simply clipped onto its smooth-edged bracket, which is designed not to catch sails or hurt fingers. Sophisticated construction with motion dampening and expansion diaphragm. Gimbaled magnetic set— the card remains perfectly horizontal, whatever the angle of installation. Length: 8″; weight: 10.3 oz.