DekPro Effex - Plateau: Decorative Flat Top Post Caps in 7 Colors - Absolute Black, Cocoa Bronze, Gloss Black, Textured Brown Hammered Bronze, Dream White, and Maple Cream.
Plateau Post Cap inside dimensions range from 3-1/16" to 4-1/16" **
Caps are made from Aluminum and included stainless steel color matched screws for a wood post.
** Size of cap designates the inside dimensions of post cap.
3"X3" Post uses 3-1/16" Cap
3-1/2"X3-1/2" Post uses 3-5/8 Cap
4"X4" Post uses 4-1/16" Cap