One base part type: 4"x4" Combination Mounting Base for 4"x4"model has two sides and thus
serves two functions. Inside diameter of one side is 3.75" (good for
Solid wood/composite posts) and inside diameter of other side is 4 1/16"
(good for Hollow PVC/Plastic/Vinyl posts) or
One base part type: 5"x5" Combination Mounting Base for 5"x5"model has two sides and thus
serves two functions. Inside diameter of one side is 4.75" (good for
Solid wood/composite posts) and inside diameter of other side is 5 1/16"
(good for Hollow PVC/Plastic/Vinyl posts)
or
One base part type: 6"x6"
Combination Mounting Base for 6"x6" model also has two sides and thus
serves two functions. Inside diameter of one side is 5.75" (good for
Solid wood/composite posts) and inside diameter of other side is 6 1/16"
(good for Hollow PVC/Plastic/Vinyl posts)