-14% sale
3
FittingsPlus.com

3" PYRAMID POST CAP - DIE CAST - ALUM

$2.78 $3.20
Item # AL11.057·            Protects Fence Posts from Animal Intrusion - Protects against animals, weather, and environmental wear, preventing corrosion, and water damage for long-lasting fence protection.·         Fits a 3"  Square Aluminum Post ·         Durable Die-Cast Aluminum Construction - Made from high-quality die-cast aluminum, this pyramid post cap is water-resistant, and tougher than plastic or wood alternatives, ensuring reliable durability.·            Adds a Modern Pyramid Design - The sleek pyramid-top design adds a modern, decorative finish to your fence, upgrading its overall appearance for residential or commercial fencing projects.·            Easy and Secure Installation - Designed for a snug pressure-fit onto standard 3-inch square aluminum posts. Our caps are expertly designed for secure welding, ensuring a strong, lasting fit. For added flexibility, they can also be attached using glue or screws, depending on your preference. While some caps naturally fit snugly, we recommend fastening them for optimal stability—this prevents accidental movement or removal and keeps them firmly in place.·            Prevent Oxidation for Long-Term Use - Note: Apply a protective coating to the post cap to prevent oxidation and corrosion, ensuring maximum durability and a long-lasting, clean finish.
Sold out -13% sale
4
FittingsPlus.com

4" PYRAMID POST CAP - DIE CAST - ALUM

$3.45 $3.96
Item # AL11.0674" Die-Cast Aluminum Pyramid Post CapsModern Design. Lasting Performance.Give your fence a bold, architectural upgrade with our 4" Die-Cast Aluminum Pyramid Post Caps. Made from rust-resistant die-cast aluminum, they protect your posts and instantly elevate your fence’s architectural appeal and value. Features:- Fits 4" square aluminum posts- Durable, rust- and weather-resistant aluminum- Sleek pyramid design for a modern aesthetic- Easy, secure installationPro Tip: Apply a protective coating to prevent oxidation and maintain a clean, lasting finish.
-14% sale
6
FittingsPlus.com

6" PYRAMID POST CAP - DIE CAST - ALUM

$8.66 $10.00
Item # AL11.079 6" Die-Cast Aluminum Post CapsBold Style. Built to Last.Protect your fence with our 6" Die-Cast Aluminum Post Caps. This simple upgrade is made from rust-resistant die-cast aluminum and will protect your posts while instantly elevating your fence’s architectural appeal and value. A durable upgrade that enhances curb appeal and extends the life of your fence.Features:- Fits 6" square aluminum posts- Strong, corrosion-resistant aluminum construction- Modern design enhances curb appeal- Easy to install and maintainPro Tip: Apply a protective coating for maximum durability and a lasting finish.
-13% sale
2
FittingsPlus.com

2" PYRAMID CAP - DIE CAST - ALUM

$1.32 $1.51
Item # AL11.023 2" Die-Cast Aluminum Pyramid Post CapsSmall Detail. Big Impact.Upgrade your fence with a sleek, modern finish. Our 2" Die-Cast Aluminum Pyramid Post Caps are crafted from durable, rust-resistant aluminum to provide lasting protection and style. Designed to withstand the elements, they add a polished touch that enhances your fence’s look and longevity.Features:- Fits 2" square aluminum posts- Strong, rust- and corrosion-resistant aluminum- Sleek pyramid design for a refined appearance- Easy to install and maintainPro Tip: Apply a protective coating to prevent oxidation and maintain a clean, lasting polished finish.
-21% sale
END CAP  FITS HR-1 MECH RAIL BRONZE
FittingsPlus.com

END CAP FITS HR-1 MECH RAIL BRONZE

$4.02 $5.07
Item # AL15.050.BZAluminum End Caps for HR-1 Mech Rail Fence in Bronze FinishClean Finish. Lasting Protection.Complete your fence with our Aluminum End Caps, designed for HR-1 Mech Rail systems. Made from durable, rust-resistant aluminum, they install easily and deliver a polished, professional finish that protects and enhances your fence.Features:- Fits HR-1 Mech Rail Fence systems- Strong, corrosion-resistant aluminum- Durable, powder coated Bronze finish- Quick, secure installation- Sleek, polished design  
-13% sale
2
FittingsPlus.com

2" FLAT TOP POST CAP- DIE CAST - ALUM

$1.32 $1.51
Item # AL11.0302" Flat Top Die-Cast Aluminum Post CapsSleek Design. Reliable Protection.Upgrade your fence with a clean, modern finish. Our 2" Flat Top Die-Cast Aluminum Post Caps are crafted from durable, rust-resistant aluminum to provide long-lasting protection for your posts.  Built to last, they deliver a simple yet refined look that elevates your fence’s appeal and value.Features:- Fits 2" square aluminum posts- Strong, rust- and corrosion-resistant aluminum- Timeless flat-top design for a clean finish- Easy to install and maintainPro Tip: Apply a protective coating to prevent oxidation and maintain a polished appearance over time.
-29% sale
HR10 END CAP - PLASTIC - WHITE
FittingsPlus.com

HR10 END CAP - PLASTIC - WHITE

$0.68 $0.95
Item # PL15.001.WHWhite Plastic HR10 End CapClean Finish. Simple Protection.Complete your HR10 Fence System with a clean, polished finish. The White Plastic HR10 End Cap fits easily onto HR10 rails, protecting exposed ends from wear, debris, and the elements. Lightweight, durable and easy to install, it’s a subtle detail that delivers a professional look and lasting performance.Features:- Fits HR10 rail systems- Durable, lightweight plastic construction- Clean, polished white finish
-35% sale
3
FittingsPlus.com

3" FLAT TOP POST CAP - DIE CAST - ALUM

$2.70 $4.10
Item # AL11.0613" Flat Top Aluminum Post CapsStrong. Simple. Stylish.Finish your fence with a clean, modern look. Our 3" Flat Top Aluminum Post Caps feature a durable mill finish that’s ready to paint or install as-is. Built from high-quality aluminum, they provide lasting protection and a sleek, professional touch.Features:- Fits 3" square aluminum posts- Durable, paintable mill finish- Easy tap-on installation- Clean, flat-top designPro Tip: Apply a protective coating to prevent oxidation and maintain a polished, clean finish.
-21% sale
END CAP - FITS HR-1 MECH RAIL - ALUM -WHITE
FittingsPlus.com

END CAP - FITS HR-1 MECH RAIL - ALUM -WHITE

$4.02 $5.07
Item # AL15.050.WHAluminum End Caps for HR-1 Mech Rail Fence in White FinishClean Finish. Lasting Protection.Complete your fence with our Aluminum End Caps, designed for HR-1 Mech Rail systems. Made from durable, rust-resistant aluminum, they install easily and deliver a polished, professional finish that protects and enhances your fence.Features:- Fits HR-1 Mech Rail Fence systems- Strong, corrosion-resistant aluminum- Durable, powder coated White finish- Quick, secure installation- Sleek, polished design  
-21% sale
4
FittingsPlus.com

4" FLAT TOP POST CAP - DIE CAST - ALUM

$4.77 $6.01
Item # AL11.0704" Flat Top Die-Cast Aluminum Post CapsStrong. Stylish. Affordable.Finish your fence with a sleek, modern touch. Our 4" Flat Top Die-Cast Aluminum Post Caps provide durable protection and a clean, professional look—without breaking the budget. Made from high-quality, rust-resistant aluminum, they are designed for a snug fit and lasting durability with minimal maintenance.Features:- Fits 4" square aluminum posts- Durable, rust- and corrosion-resistant aluminum- Clean, flat-top design for a modern finish- Easy, secure installationPro Tip: Apply a protective coating to prevent oxidation and maintain a polished finish. 
-14% sale
END CAP - FITS HR10 MECH RAIL - ALUM - WHITE
FittingsPlus.com

END CAP - FITS HR10 MECH RAIL - ALUM - WHITE

$1.45 $1.67
Item # AL15.046.WHAluminum End Caps for HR10 Mechanical Rail Fence in White FinishA Sleek, Polished Finish for Your HR10 Railing SystemOur White Aluminum HR10 End Caps are expertly designed for the HR10 Mechanical Rail.  Crafted from durable, high-quality aluminum, they are easy to install with long-lasting performance - making them the perfect finishing touch for a clean, professional appearance.Features:  - Compatible with HR10 Mechanical Rail Fence systems- White powder-coated aluminum for a sleek, modern look - Durable, weather-resistant- Easy to install with a secure fit
-21% sale
3
FittingsPlus.com

3" BALL CAP for ROUND POST - SAND CAST - ALUM

$23.22 $29.26
Item # AL11.1103" Ball Top Post CapsGive your mailbox, sign post, or flagpole a timeless upgrade with this classic Ball Top finishing accent.  Designed to fit 3" outer diameter (O.D.) round posts, this classic 3" Ball Top Post Cap is crafted for durability and provides a stylish, decorative detail that elevates the overall look.Features:  - Fits 3" O.D. round posts- Classic ball top design for timeless charm- Durable, weather-resistant sand cast aluminum- Easy to install for a secure fitPro Tip: Apply a protective coating to maintain appearance and extend durability.
-25% sale
4
FittingsPlus.com

4" PYRAMID POST CAP - SAND CAST - ALUM

$2.65 $3.50
Item # AL11.0664" Sand Cast Aluminum Pyramid Post CapsStrong. Stylish. Protective.Add a classic, decorative element while safeguarding your post tops from the elements.  Crafted from high-quality, rust-resistant aluminum, it’s designed for a perfect fit and long-lasting beauty that can be painted to match your fence.Features:- Fits 4" square aluminum posts- High-quality, rust- and corrosion-resistant aluminum- Classic pyramid design for timeless appeal- Easy, secure installationPro Tip: Apply a protective coating to prevent oxidation and maintain an attractive, long-lasting finish.
-13% sale
2
FittingsPlus.com

2" FLAT TOP POST CAP - DIE CAST - WHITE

$1.72 $1.97
Item # AL11.030.WH2" White Flat Top Die-Cast Aluminum Post CapsBrighten and Protect Your Fence with a Clean, Modern FinishCrafted from high-quality, rust-resistant aluminum with a durable white finish, our 2" Flat Top Post Caps add style while protecting your posts from water and debris—enhancing both the appearance and longevity of your fence.A simple upgrade for a modern look and lasting protection.Features:- Fits 2" square aluminum posts- Strong, rust-resistant aluminum- Clean, durable powder-coated White finish- Flat-top design for a modern look- Easy, secure installation- Sleek, polished design
Sold out -13% sale
5
FittingsPlus.com

5" PYRAMID CAP - SAND CAST - ALUM

$14.91 $17.08
Item # AL11.0765" Aluminum Pyramid Post CapsElevate and Protect Your Fence with a Timeless, Elegant FinishMade from high-quality, rust-resistant aluminum, our 5" Aluminum Pyramid Post Caps offer a quick and easy way to enhance both the architectural style and the longevity of your fence by protecting your posts from the elements,A simple upgrade that delivers classic style and lasting protection for your investment.Features:- Fits 5" square aluminum posts- Durable, rust- and corrosion-resistant sand cast aluminum- Classic pyramid design for a timeless, elegant finish- Easy, secure installationPro Tip: Apply a protective coating to prevent oxidation and maintain an attractive, long-lasting finish. 

Discover the perfect Fence Post Caps to enhance and protect your fences. Whether you're finishing a wood, vinyl, or metal fence, these accessories are essential for adding both function and visual appeal to your installation. Not only do they elevate the overall look of your fencing system, but they also serve a vital role in preventing water intrusion, rust, and post deterioration over time.

Browse our durable aluminum post caps and aluminum end caps for a sleek, long-lasting finish. Made from high-quality, weather-resistant materials, these caps are designed to withstand harsh outdoor environments while maintaining their shape and appearance. They're ideal for residential, commercial, or ornamental fencing projects where durability and style matter most. Easy to install and available in a variety of sizes and finishes, they offer a secure and seamless fit that protects your investment.

Prefer a cost-effective option? Check out our plastic fence post caps and plastic end caps for reliable performance. These lightweight alternatives are perfect for budget-conscious projects or temporary installations, offering a clean, polished appearance without sacrificing essential protection.

Whether you're building a new fence or upgrading an existing one, our selection of Fence Post Caps ensures your posts are both covered and complete. With solutions that match your budget, style, and project type, you’ll find exactly what you need in just a few clicks.

Shop now and upgrade your fence! Enjoy top-quality materials, fast shipping, and products made to last.