Outside Dimensions 8" (203mm) Dia Inside Dimensions 5 3/8" (137mm) Dia Cut-out Dimensions 6 3/8" (162mm) Dia Feature: Part Weight : 0.73 lbs Easy to use Made in USA Mounting Hardware Not Included* (#8 Stainless Steel Panhead Screw) The "DPPULL" Pull-Up Series Access Deck Lid Cover pops out with ease using the convenient pull handle that is attached to the lid. Available in 6" & 8" sizes. All of our products are UV stabilized minimizing degradation from prolonged sunlight exposure. Superior materials for a superior product.