Aluminum Stair Balusters, 51 Pack, 36 In, Black, 3/4 In

36 inch aluminum stair balusters deliver rust-resistant strength for safer, cleaner-looking railings indoors or out. This 51-piece pack uses hollow round metal spindles with a black coated finish to suit stairs, porch, patio, deck, and fence projects. Lightweight aluminum helps reduce upkeep compared with steel while keeping a modern, uniform look. Each baluster can be cut to fit your layout, and included rail caps and screws streamline installation.

• Delivers rust- and corrosion-resistant support with durable aluminum tubing for outdoor and indoor use.


• Includes 51 round tube spindles plus rail caps and screws for faster, consistent railing builds.


• Fits common stair, deck, porch, patio, and fence layouts with up to 4 in maximum baluster spacing.


• Enables clean customization—cut to length for repairs, remodels, or new railing sections.


• Enhances curb appeal with a black finish and uniform 3/4 in round profile that blends with most rail systems.

Upgrade worn or mismatched spindles without overcomplicating your project. These waterproof aluminum balusters are designed to stay straight and stable through seasonal weather, making them a practical choice for high-traffic staircases and exposed deck railings. The included hardware helps you move from measuring to mounting with fewer extra parts to source, and the 51-pack supports larger runs or multi-section installs. Grab yours today and finish your railing with a consistent, modern look.

• Pack size: 51 pieces


• Color: Black


• Style: Round tube


• Each baluster size: Ø0.75 in x 36 in (Ø19 mm x 914 mm)


• Material: Aluminum tubing


• Tubing thickness: 0.8 mm


• Set net weight: 16.25 lb (7.37 kg)


• Recommended max spacing: 4 in