Size: our solid wood stair treads feature dimensions of 36" x 11 ½" x ¾" and are ¾" thick in the main body; Plus, with a Square Nose Profile measuring ¾", the overall look makes your staircase look like you have 1 ½" thick oversized stair treads installed Material: our FAS Red Oak Solid Wood Stair Tread is sourced from North American solid red oak planks which exude elegance while remaining sturdy and durable; They are carefully glued, planed, and sanded, ensuring product quality Transform: replace your old carpet stairs, pine stairs, or damaged existing stairs with our oak stair treads; In just one day, your staircase can be transformed into a lustrous solid wood staircase Customize: these unfinished red oak stair treads are designed for indoor use; They are sold uncoated, giving you the liberty to apply your preferred finish to match other stair components or your home decor Easy Installation: these staircase step treads can be securely installed by simply applying a generous amount of construction adhesive before nailing them into place Features: Suitable Size: Our oak stair treads comes in a size of 36" x 11 ½" x ¾", ensuring they are suitable for most standard staircases and provide ample step space for comfort and safety. Note: Make sure a firm installation Apply a sufficient amount of building adhesive to the steps before nailing them in place. Specifications: Material: oak Size: 36" x 11 ½" x ¾" Package includes: 1 x Wood Stair Treads Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.