M-D Building Products 49008 M-D Adjustable Thermal Break Door Threshold, 4-9/16 X 1-3/8-1-5/8 in H, 36" L x 4-9/16" W x 1-5/8" H, Satin Nickel Product Description M-D Door Threshold, Adjustable, Thermal Break, M-D, 4-9/16 in Width, 36 in Length, 1-3/8 - 1-5/8 in Height, Aluminum, Satin Nickel, Grey, Resists: Moisture, Rot, Termite, For Protection Against Drafts, Moisture, Dust and Insects. . From the Manufacturer Premium adjustable threshold with satin nickel finish. Features All season protection against drafts, moisture, dust and insects No rot no warp composite design; easy to install and adjust Thermal break design prevents frost build-up on interior surfaces Package Dimensions: 39.0" L x 8.0" W x 5.0" H USA SHIPPING 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.