Priced and sold as a set of 10 with FREE shipping within the US. Holophane glass has a unique look all their own. Their crystalline sparkle and shine is like no other vintage glass we have seen. The design on these are dubbed "Sailor's Hat". They consist of two pieces of glass which are held together with 3 rods with a metal ring at the top and the kidney shaped washers at the bottom They are shown on new nickel plated fixtures and the glass is from the 1930's. The glass is ribbed in a way to maximize the dispersion of light from the bulb. These have about a 6" opening at the bottom which allows for some nice down light. These are out of an old Catholic school in Wisconsin which was demolished in the 80s. These are substantial and heavy fixtures with a width of 15 1/4" The drop as shown is 18 inches, which can be adjusted. There are a couple options for the metal fitters including brass and original fitters which were painted. The glass itself is 8 inches high. Longer drops are available but may incur an additional charge.