ADA Compliant- 1/2" Height Interior Solid Wood Thresholds Available in the following Solid Woods: Ash Cherry Hickory Mahogany Maple Red Oak Walnut Widths are: 3 1/2", 4 1/2" and 6 1/2" Lengths are: 24", 30, 36", 48", 60", and 72" Check out our website for details on each ADA Thresholds. These are good for transitions between two rooms. These are ADA Compliant thresholds and work well for Walkers and Wheel Chairs. In Stock, and ready to ship. https://www.hartfordbuildingproducts.com/collections/1-2-inch-height-wood-ada-thresholds