Solid Brass Sextant -Nautical Decor-Astrolabe/ Wooden Storage Case Solid Brass Fine Quality Replica Sextant with two extra Lenses with Wood Storage Case Antique Finish Great Addition to a Nautical Collection. Dimensions: 12x11x6cm (Sextant) Box: Size:- 15cm X 15cm 8.5cm (Wooden Box) Perfect for the collector or the beginner interested in learning celestial navigation. It can be used for basic measurements.