Blank S4S Square Wood Balusters

Blank S4S wood balusters are a versatile and fundamental component for many staircase designs. The designation “S4S” stands for “Surfaced Four Sides,” which means each baluster has been milled to be perfectly square and smooth on all four faces, resulting in crisp, 90-degree corners and precise, consistent dimensions. This simple, unadorned profile makes it a foundational element in Craftsman and Mission style balustrades, and its clean geometric lines are equally suited for contemporary and minimalist homes. These balusters are available in two industry-standard square sizes, 1-1/4-inch and 1-3/4-inch, at a standard height of 41 inches.

These square balusters are designed for installation into a plowed handrail and shoe rail, where the square ends fit securely into a routed channel for a clean, seamless look. Each baluster is crafted from high-quality, solid wood and is delivered unfinished, having been sanded smooth and ready for your choice of paint or stain to match your newel posts and handrail. We stock both standard sizes in a variety of wood species, providing a reliable source for these essential stair parts. By keeping a large inventory, we ensure you receive a consistent, high-quality product at a competitive price, shipped quickly for your stair remodel or new build.