Check the listing for details. Thermwell CS4/36 Thresholds, 4"x 1/2" x 3 ft, Mill Finish. Color: Mill Finish, Condition: New. Listed at 32.86 USD. Thermwell CS4/36 Thresholds, 4"x 1/2" x 3 ft, Mill Finish Product Description 4" x 1/2" x 36", aluminum, commercial threshold, extruded aluminum, fluted top, for use in commercial application in heavy traffic area where no vinyl insert is required, mill finish. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in china. Manufacturer Contact Information 1-800-526-5265 Features This Product Adds A Great ValueProduct Is Highly Durable And Very Easy To UseThis Product Is Manufactured In ChinaFrom The Brand Name: Thermwell USA SHIPPING eBay estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.