Frost King Adjustable 3′ L x 5-5/8 W x 1-3/8 H Mill Threshold

Adjustable aluminum and oak sill threshold. This threshold combines a heavy gauge aluminum exterior with an elegant oak interior. A simple screw adjustment will raise or lower the oak segment to fit doorways. Seals gaps 1-1/8 In. to 1-3/8 In. H. Fasteners not included.