The 11/16" x 10-1/2" x 42" Modern RetroFit Tread Kit is made of engineered wood and is available in both Red Oak and White Oak. This kit is designed to provide a modern and stylish upgrade to your staircase. The engineered wood construction ensures durability and stability while offering the beauty and natural grain of oak. With its precise dimensions, it fits perfectly into your stair remodel project. Whether you choose the warm tones of Red Oak or the classic appeal of White Oak, this tread kit will enhance the overall aesthetic of your staircase. Transform your stairs with this high-quality RetroFit Tread Kit for a beautiful and functional result.