This is a beautiful and heavy Solid Brass Captains Hydrometer. This hydrometer has a thick glass face, measures 4½" diameter and can be either wall mounted or placed on a wooden base. This weather station makes the perfect addition to your nautical home decor. It could help turn that special area in your nautical home or office into your own beach house, coastal themed area. They also make a great nautical gifts, a beautiful piece of coastal decor, a nice piece of nautical art as well as being a great addition to your nautical decoration.