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Nantucket Ball Finials by Nantucket Post Cap

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Made from 100% kiln dried premium Westrn Red Cedar.  Round sphere finials.

Available for nonmial post sizes of 4" x 4", 5" x 5", and 6" x 6",  and constructed from laminated Western Red Cedar.  All Nantucket Post Cap finials must have a proper sealer and/or paint applied to prevent checking and splitting.

Finials are often used to accent many different components from fences and stair railings to flag poles and porches. Nantucket Post Cap wood finials are great for indoor and outdoor use. All NPC finials are shipped with lag screws for easy installation.

Flat post caps are recommended for a finished look (sold separately).  Please see additional shipping information below.

Finial Sizing:

Nantucket Post Cap LogoFinials are constructed to fit on standard (nominal) 4x4, 5x5, and 6x6 posts.  Please use the chart below to determine the best size finial for your fence post or deck post:


Nantucket Ball Top Finial

Nominal Post Size Total Height Base Diameter Widest Point
4" x 4" 3-3/8" 2" 3-1/2"
5" x 5" 4-3/8" 2-2/3" 4-1/2"
6" x 6" 5-3/8" 2-3/4" 5-1/2"

All Nantucket Post Cap products are made in the U.S.A.


Most orders ship within 5-15 business days.

Please see our return policy for addtional details.