4" x 4" Sq Flat Internal Vinyl Post Cap (White) - Bufftech 70411

Finish your outdoor project with this Flat Internal Vinyl Post Cap designed and manufactured by LMT. Made for a 4" post, this cap is lightweight, quick to install, and will prevent water from penetrating the post while enhancing your design.

Learn How To Measure Your Post

Part Number: 70411

$2.3450 each


4" x 4" Sq Flat Internal Vinyl Post Cap (White) - Bufftech 70411

The Flat Internal Vinyl Post Cap, designed and manufactured by Bufftech, is made of high-quality, water-resistant, low maintenance vinyl that will not fade, discolor, or warp. The post cap is quick and easy to install to your 4" post. Simply slide the post cap into the top of the post, it's that easy. Put the finishing touch on your fence or deck posts with this simple Flat Internal Vinyl Post Cap.


• Color: White
• Post Size: 4" Sq.
• Fits Internally
• Total Height: 1.000"
• Corner Radius: 0.375"
• Extends Into Profile: 0.875"
• Installation: Simply Slide Cap Inside The Top of The Post

Post Cap Measuring Chart

Our Cap Size (Measured In OD) Post Size
2" 2" x 2" Aluminum Posts OD
3.5" 3.5" x 3.5" Vinyl Posts OD
3.625" 4" x 4" Wood Posts (3.5" x 3.5" OD)
4" 4" x 4" Vinyl Posts OD
4.5" 4.5" x 4.5" Vinyl Posts OD
5" 5" x 5" Vinyl Posts OD
5.625" 5.625" x 5.625" Wood Posts (6" x 6" OD)
6" 6" x 6" Vinyl Posts OD

All of our post caps are made to fit posts of their respective size. For example, a 4" post cap will fit a 4" post (outside diameter), a 5" post cap will fit a 5" post (outside diameter), and so forth.

How To Measure Post Size

Name 4" x 4" Sq Flat Internal Vinyl Post Cap (White) - Bufftech 70411
SKU 70411
Color White
Post Size 4" x 4"
Style Flat/Pyramid
Fits Internal
Country of Manufacture United States
Manufacturer Bufftech
Product Type Vinyl Post Cap
Price $2.3450