Top 9 4×4 Fence Post Caps – Decking Caps

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1. Fence Supply Online

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16 Pack Wood Fence Post Black Caps 4X4 3 5/8" for Pressure Treated Post Made in USA Black

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Fence Supply Online #ad - These black fence post caps are for a standard 4X4 wood fence post 3. 5"x3. 5" this cap measures 3 5/8"x 3 5/8. Made in usa easily nails or screws on.

Protect your investment! current pressure treating often does not reach the center of the post. Do not use glue like others recommend for their caps. An exposed wood top allows rotting to begin faster than usual. It will flex, and break, crack, . Use for 4" wood posts 3 1/2" x 3 1/2" actual Total Height: 1. 25". The hole is 1/8” or 0125” so a 6d or 11 gauge nail 2 inches long should be fine. Take time to measure your post not all 4x4 post are the same dimension.
BrandFence Supply Online #ad
ManufacturerFSO #ad

2. Plum Fittings

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32 Pack 4x4 Wood Fence Post Caps 3 5/8" Black, Decking Caps for Pressure Treated Wood Fence, Made in USA

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Plum Fittings #ad - Designed and manufactured the USA by the leading manufacturer in the post cap industry with high quality materials. For example, a 3-5/8" post cap will fit a 3-5/8" post outside diameter, a 4" post cap will fit a 4" post outside diameter, and so forth.

It features a black polypropylene construction that is both weather and UV resistant, in high winds, rain, for long-lasting color and performance. This easy to install post cap sleeves over the top of the post, fits externally and requires only one screw for installation. Pack sizes comes in either 32 or 54. Great, snow and sun. All of our post caps are made to fit posts of their respective size. The 3 5/8" fits standard 4x4" posts, and has a nail-in-place installation style that enhances the stability and lengthens the lifespan of this high-quality, fence post cap.
BrandPlum Fittings #ad
ManufacturerPlum Fittings #ad

3. JSP Manufacturing

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JSP Manufacturing 16 Pack Fence Post Plastic Black Caps 4X4 3 5/8" Pressure Treated Wood Made in USA

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JSP Manufacturing #ad - Cap presses over the outside of a 4x4 3-5/8" x 3-5/8" post, but will Not Stretch. Inside dimension 3-5/8" x 3-5/8" square, 1/8-inch-thick to protect your treated posts from water and sun damage.

These caps for nominal 4x4 fence post that measure 3-5/8"x 3-5/8". Please take time to measure your post not all 4x4 post are the same dimension. 4x4 3-5/8" x 3-5/8" plastic black fence Post Caps - 16 Pack. Dimensions - measures approximately: inside dimension: 3-5/8” x 3-5/8 inches; Inside Total Depth of Cap: 1-1/4 inches; Slant Width: 1 inch; Inside Cap Edge Height Edge that Covers Post: 1/2 inch. Can be secured with nails or glue, a little flex, should be pre-drilled if securing with nails.
BrandJSP Manufacturing #ad
ManufacturerJSP Manufacturing #ad
Weight1.23 Pounds
Part NumberFBA_FC-4x4-BLACK-16
ModelFBA_FC-4x4-BLACK-16

4. Siedinlar

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Siedinlar Solar Post Lights Outdoor Fence Deck Cap Light Solar Powered Metal Warm White LED Lighting Waterproof for Garden Patio Decoration 4x4 5x5 6x6 Wooden Posts Black 2 Pack

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Siedinlar #ad - Diy installationyou can forego using the base at all and put the top section directly on the post. Fix them with the screws inside. The light can be distributed averagely. Easy to usefirst time using, make sure to turn on the switch and install them according to the instructions.

You can rest assure to use, in any outdoor environments. Unique design siedinlar solar post light are of high transmittance. They have beautiful metal lamp shades and unique decorative patterns. The battery holder is sealed with waterproof glue. Ip65 waterproofsolar post cap lights can work for over 30000 hours in very bright light. They are made of anti-corrosion metals. The 3000k warm white light can make a very romantic atmosphere.

Noteif there is any problem with the solar post lights, please feel free to contact us. 1 year warranty and 24 Hours customer. You can install them on wooden piles or fences. So unlike plastics or resins, they won't be deformed. Solar deck post lights are charged in the daytime for 6-8 hours under the sun, and will turn on for 8-10 hours in the nighttime automatically. And any outdoor location you like.
BrandSiedinlar #ad
ManufacturerSiedinlar #ad
Height3.54 Inches
Length6.22 Inches
Width6.22 Inches
ModelTNBL-0088

5. SUNWIND

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Solar Post Cap Lights Outdoor- 4 Pack LED Fence Post Lights for Wooden Posts Warm White Waterproof for Deck, Patio or Garden Decoration Black

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SUNWIND #ad - Dimensions: 5. 63” l x 5. 63" w x 4” H. Please measure your Posts before Purchasing. One warm white 5 lumens led and 1x 1. 2v aa ni-mh 400mah battery are included in each lamp. The outdoor post deck lights charged by sunlight for 8 to 10 hours can provide 6 to 8 hours illumination, realizing energy saving.

Base dimensions: 3. 58" l x 3. 58" w. Perfect for anywhere that with wooden piles or fence. Application: these solar cap post lights will only fit base within dimension 3. 58" x 3. 58" posts. Energy saving & convenient--no need any electricity. Weather resistant & waterproof--the led fence lights are made of durable plastic for long lasting durability, never need to worry about putting them under the rain or snow. Not any Other Sizes. Easy diy install: included 2x wall plugs and stainless steel screws go horizontal through the base of the fixture and into the post.

And once they're in use, no need any operation anymore, they can automatically light up at night and turn off at dawn. Your satisfaction is our goal- for any reasons, you are not satisfied with our Solar Lights, just contact us directly and we will do everything we can to provide you with a satisfied solution. They give off amber light, which shines from the combination of the LED light and an internal reflector.
BrandSUNWIND #ad
ManufacturerSUNWIND #ad
Height4 Inches
Length5.63 Inches
Weight2.25 Pounds
Width5.63 Inches

6. JSP Manufacturing

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Plastic New Fence Post Black Caps 4X4 3 5/8" Pressure Treated Wood Made in USA MULITPACK Wholesale Bulk Pricing 32

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JSP Manufacturing #ad - 4x4 3-5/8" x 3-5/8" plastic black fence post Caps ~ Multi-pack Quantity Item - Please verify correct quantity needed. Inside dimension 3-5/8" x 3-5/8" square, 1/8-inch-thick to protect your treated posts from water and sun damage.

Please take time to measure your post not all 4x4 post are the same dimension. Cap presses over the outside of a 4x4 Post, a little flex but will not stretch. Fence post plastic black caps for nominal 4X4 fence post that measure 3-5/8"x 3-5/8" ~ See images for comparison. If you post measures a true 4x4, this cap will not fit, please see our additional listing for True 4x4 100mm Fence Cap. Can be painted, must use a paint that adheres to plastic. Must be secured with nails or glue, should be pre-drilled if securing with nails.
BrandJSP Manufacturing #ad
ManufacturerJSP Manufacturing #ad
Part NumberFC-4x4-BLACK-32-FBA

7. GreenLighting

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GreenLighting 4x4 Aluminum Pyramid Post Cap Cover for Nominal Wood Posts Black, 8 Pack

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GreenLighting #ad - Durable aluminum construction- once installed, these metal post caps are practically maintenance free! The weather resistant aluminum construction is designed to handle the outdoor elements, and features a powder-coated finish to add a touch of style to any spot in your backyard.

Greenlighting has kept it simple by providing you with pre-drilled bases and all the mounting screws needed to get your cap set up right out of the box. But with the quick addition of a post cap, you can add a touch of style to your fences or walls to make them really stand out. Designed for wood posts - designed to specifically fit on a 4 x 4 nominal wood post, the GreenLighting Aluminum Pyramid Post Cap is your one-stop solution for dressing up those plain fences.

Specifications - measures 3. 63" x 3. 63"and is designed to fit a 4" x 4" nominal wood post. Simple install - stop messing around with those complicated installations. Not suitable for PVC or Vinyl posts. This set includes eight post caps. Dress up your yard - let's be honest, fences can be boring and not the best item in your yard to look at.
BrandGreenLighting #ad
ManufacturerGreenLighting #ad
Height9.75 Inches
Length4.75 Inches
Weight2.38 Pounds
Width4.75 Inches

8. H.L.C.

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Solid Copper 3-1/2" x 3-1/2", 10 Pack, 4x4 Post Point Cap

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H.L.C. #ad - Applies easily with a little adhesive on the inside 3/8" lip of the post point. Pack of 10 brushed 100% Solid Copper Post Caps. Fits 3-1/2" x 3-1/2" wood post standard 4 x 4. Actual base opening is 3-5/8" with a 3/8" lip and overall height of 1-1/2".
BrandH.L.C. #ad
ManufacturerH.L.C. #ad
Part NumberPPP1

9. JSP Manufacturing

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JSP Manufacturing Fence Post Plastic Black Pyramid Post Cap for A True 4 Inch x 4 Inch 100mm Post Black 2

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JSP Manufacturing #ad - Fits over the outside of a true 4x4 post, a little flex, but will not stretch. There is also a nominal 4x4 cap measuring a 3-5/8"x 3-5/8" for that post ~ Please measure your cap before ordering.

New plastic black pyramid fence Post Caps True 4x4 100mm" x 100mm". These are true 4x4 caps that measure 100mm x 100mm - see images ~ please note: if your post measures 3-1/2 x 3-1/2" This cap will NOT fit. Add a simple, clean look to your fence, railing or mailbox post ~ made in USA! Multi-Pack Quantity Item - Please verify correct quantity needed, Pricing automatically calculates. No hardware included ~ can be secured with nails or silicone, should be pre-drilled if securing with nails. Will not fit over 3-5/8" x 3-5/8" post ~ Inside Dimension 4" x 4" Square ~. 08 inch-thick to protect your treated posts from water and sun damage. Can be painted, must use a paint that adheres to plastic.
BrandJSP Manufacturing #ad
ManufacturerJSP Manufacturing #ad
Part NumberFC-100mm-BLACK