M-D Building Products 68387 Commercial Flat-Profile Threshold, Silver Aluminum, Product Details Product Description M-D saddle threshold, fluted, series: Ultra, 1/4 in width, 36 in length, 5 in height, fasteners: screws, aluminum, mill, UL listed, ADA approved, used to seal gaps at the bottom of doors. This heavy duty aluminum threshold is designed for use in commercial applications. The low profile non-skid design is recommended and approved for wheelchair access. From the Manufacturer This heavy duty aluminum threshold is designed for use in commercial applications. The low profile non-skid design is recommended and approved for wheelchair access. Made of durable aluminum for heavy traffic in commercial buildings Use to replace the threshold of a commercial building 5 in. W x 1/4 in. H x 36 in. L Silver color Protects against drafts, moisture, dust, and insects Cut threshold with hacksaw to desired length Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.