Post Caps (Tops) finish off any post. They are made of only the best materials - cast aluminum with a powder coat finish that withstands the elements of any weather condition. Post Caps will match any of our deck lights, and come in many sizes, including 3 1/2" x 3 1/2" , 4x4 , 5x5 and 5 1/2" x 5 1/2". Click on a style and you will find the sizes and colors which make it easy to design any deck or home project. Need a special size? We offer adjustable bases for the perfect fit. Need help? We are happy to assist you.