6 Compasses Great For Camping, Hiking, Hunting, Fishing & Outdoor Activities. This a new set of 6 compasses. Great for camping, hiking, hunting, fishing and other outdoor activities. These can also be used for detecting the presence of a magnetic field in watches, instruments and other components. They are extremely sensitive. Each measures approximately 1 3/8" (35 mm) in diameter We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.