Here is an industrial style radial wavw typle shade. It is powdercoated steel in white color. We have many optional colors and specialty goosenecks available. These radial wave shades are perfect for your boathouse and restaurant too. Solid copper and all aluminum shades are available on a custom order basis. The solid steel powdercoated radial wave shades range from 12" to 20" in diameter. Pricing is for the standard color white 16" radial wave shade. 16" diameter and 6 1/2" high not counting the mounting gooseneck. Standard heavy porecelain socket is included. Please allow 2-3 weeks for your completed order. Please let us know what size of top thread you want( 1/2" NPT or 3/4" NPT). Standard 4 foot wire lead. Additional wire lengths available. Please call us to discuss.