this is a vintage desk set that features a speed control on an old ship and then it has ap place to put your Ink pen and the holder does rotate around do you can tilt it different directions. The base and the tower are all made of brass it is a very neat looking item. It is 6 1/2" high and 5 1/2" across and 3" in depth. very nice item for your nautical family member or friend. see photos Made by Chadburns' co. London England