black bases 6x6 / 5x5 / 4x4 inches

Interchangeable base adapters use for models PL248BK, PL250BK, PL253BK, PL254BK, and NH30BK.
Please measure your posts before purchase.
Please let us know your desired base adapters.
Designed to fit on 4" x 4", 5" x 5", 6 "x 6" posts
6x6 base adapters: Inside diameter of one side is 5.75" (good for wood/composite posts) and inside diameter of other side is 6 1/16" (good for PVC/Plastic/Vinyl posts) Solid/Hollow
5x5 base adapters: Inside diameter of one side is 4.75" (good for wood/composite posts) and inside diameter of other side is 5 1/16" (good for PVC/Plastic/Vinyl posts) Solid/Hollow
4x4 base adapters: Inside diameter of one side is 3.75" (good for wood/composite posts) and inside diameter of other side is 4 1/16" (good for PVC/Plastic/Vinyl posts) Solid/Hollow