The C-4378-62S Solid S4S Red Oak Blank is a premium-quality stair component crafted from solid Red Oak and milled smooth on all four sides (S4S) for a clean, versatile appearance. Measuring 3-1/2" x 62", this extra-tall blank is ideal for creating custom newel posts, support posts, and decorative stair features. Its solid hardwood construction provides exceptional strength, durability, and long-lasting performance, while the natural Red Oak grain offers outstanding staining and finishing capabilities. Perfect for residential and commercial stair projects, the C-4378-62S delivers the flexibility, quality, and craftsmanship needed for custom millwork applications.