One Post Cap. Multiple Lumber Sizes. No Screws Required.
Fence Armor® Cap Claw® 4x4 Universal Fit Fence Post Cap is designed to fit the real-world variations found in nominal and dimensional 4x4 wood posts — from 3⅜" to 4⅛".
The stainless steel Cap Claw® gripping system securely adapts to the post without screws, nails or adhesives. This makes it ideal for standard pressure-treated lumber, western cedar, rough-cut posts and oversized 4⅛" (105 mm) “jumbo” 4x4 posts commonly found in Western Canada and the Pacific Northwest.
Fits 4x4 posts measuring:
- 3⅜"
- 3½"
- 3⅝"
- 3¾"
- 3⅞"
- 4"
- 4⅛"
Built for Outdoor Protection
The cap is made from powder-coated galvanized steel with a stainless steel gripping system, helping shield exposed wood end grain from direct moisture and weather exposure.
Cap Claw® is an excellent choice for:
- Fence posts
- Deck and porch posts
- Pergolas
- Mailbox posts
- Pressure-treated and cedar posts
- Rough-cut and oversized 4x4 lumber
No Screws Required
Simply center the Cap Claw® over the post and press it firmly into place. The flexible stainless steel claws grip the wood to create a secure fit — no screws, nails or adhesives required.
A removable top fastener also allows compatible Fence Armor® decorative finials to be attached, letting you turn the same protective cap into a decorative fence or post topper.
One cap. More post sizes. A better fit.
Installation
Install in Seconds, No Fasteners Required
Installing Fence Armor® CAP CLAW™ Universal Post Caps is fast and simple:
- Center the post cap over the top of the post
- Press firmly downward
- The interior Cap Claw™ gripping system flexes and grabs the wood securely
That’s it.
No screws.
No nails.
No adhesives.
No rattling loose over time.
The flexible interior claws create a snug, custom fit across a wide range of actual lumber sizes.
FAQ
What size 4x4 posts does Cap Claw® fit?
The 4x4 Cap Claw® fits actual wood post dimensions from approximately 3⅜" to 4⅛", covering standard dimensional lumber as well as many rough-cut and oversized 4x4 posts.
Will Cap Claw® fit a 4⅛" or 105 mm jumbo 4x4 post?
Yes. The 4x4 Cap Claw® is designed to fit posts up to 4⅛" (approximately 105 mm), making it suitable for oversized 4x4 lumber commonly found in Western Canada and the Pacific Northwest.
Do Cap Claw® post caps require screws?
No. The patented stainless steel Cap Claw® gripping system flexes to accommodate the wood post and securely holds the cap in place without screws, nails or adhesives.
Can I add a decorative finial?
Yes. The removable top fastener provides the attachment point for compatible Fence Armor® decorative finials.
Pro Advice
