The Brunton Micro Baseplate Compass 28NL is very small. In fact, this Brunton Compass is Micro. The Brunton Micro™ baseplate keyring compass comes along for the ride without imposition. You get cardinal points and a millimeter scale. Specifications: 2.1"x1.3"x.4" .4 oz. Cardinal points mm scale Brass split ring Brunton Compass #28NL Tried and true Brunton base plate compasses, like the Micro Baseplate Compass 28NL, are tools for your outdoor adventures. Especially useful for navigating with maps, they are accurate, durable and functional. Packed with features, a Brunton baseplate compass is anything but basic. Brunton accessory compasses, like the Micro Baseplate Compass 28NL, complement the many compasses available in the market today. All affordably priced, these items include small size, pin on attachment points, watchband compasses and pocket survival kits. Every Brunton product is backed by the quality and reputation of a company who has always provided the most reliable and trustworthy tools.