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The FortressAccents™ Flat Pyramid Post Cap has a low-profile design with premium finishes that creates style and elegance in any outdoor space. This versatile cap is made from durable, powder-coated, die-cast aluminum and easily slides over metal, wood, vinyl and composite posts. It is available in Antique Bronze, Black Sand, Gloss Black, Gloss White, and Matte White finishes as well as 2-1/8 inch, 3-1/16 inch, 3-5/8 inch, 4-1/8 inch, 5-1/16 inch, and 6-3/16 inch sizes. The 5-1/16 inch cap also includes a 4-5/8 inch adapter for use with a 4-1/2 inch post, and the 6-3/16 inch cap includes a 5-5/8 inch adapter for use with a 5-1/2 inch post.

Transform this Post Cap into a lit cap with a FortressAccents™ LED Cap Light Module (sold separately).

FortressAccents™ was created by a national brand that is known for quality and innovation, and these new LED lights are no exception to this. This complete line of products includes: Vertical LED Post Light, Universal LED Light, Surface Mount Recessed LED Light, LED Cap Light Module, Flat Pyramid Post Cap, and LED Transformer. All FortressAccents™ LED lights use a unique, built-in thermal management system which ensures that the LED will have a long life with a consistent color temperature.

DecksDirect # 5465

Flat Pyramid Post Cap Installation Instructions (834 KB) 

FortressAccents™ Warranty (238 KB) 

Fortress Railing Product Catalog (3.45 MB) 

FortressAccents™ Brochure (1.34 MB) 

Is Hidden No
Color Clear
FinishAntique Bronze, Black Sand, Gloss Black, Gloss White, and Matte White
Material TypePowder coated aluminum
Pack SizeEach
Post Cap Opening Sizes2-1/8 in, 3-1/16 in, 3-5/8 in, 4-1/8 in, 5-1/16 in (fits 4-1/2 in post with included adapter), and 6-3/16 in (fits 5-1/2 in post with included adapter)
(width x depth x height)

2-1/8 in = 3-1/4 in x 3-1/2 in x 1-1/2 in
3-1/16 in = 4-1/4 in x 4-1/4 in x 1-1/2 in
3-5/8 in = 5 in x 5 in x 1-3/4 in
4-1/8 in = 5-3/8 in x 5-3/8 in x 1-1/4 in
5-1/16 in = 6-1/4 in x 6-1/4 in x 1-5/8 in
6-3/16 in = 7-3/8 in x 7-3/8 in x 1-5/8 in

Inset Measurement2-1/8 in = 1/2 in
3-1/16 in = 1/2 in
3-5/8 in = 5/8 in
4-1/8 in = 5/8 in
5-1/16 in = 1/2 in
6-3/16 in = 1/2 in
Included Accessories2-1/8 in and 3-1/16 in caps = (2) set screws and (1) allen wrench
3-5/8 in and 4-1/8 in = (4) installation screws
5-1/16 in = (4) installation screws and (1) post base adapter
6-3/16 in = (4) installation screws and (1) post base adapter
WarrantyView Fortress Warranty Information
OtherOptional FortressAccents™ LED Cap Light Module available to light this un-lit cap.
Questions & Answers