Frost King DT36HRA Aluminum Threshold, 3-3/4"x36" 4thJuly National pipe threads for creating

National pipe threads for creating tighter seals than straight threads

A heavy duty latch designed for swinging doors on storage sheds barns

dust and other foreign matter

Contains UV blockers to reduce the sun's graying and fading effects

Additional Info:

Frost King DT36HRA Aluminum Threshold, 3-3/4"x36" 4thJuly National pipe threads for creatingHeavy duty premium high boy. Ideal for reesidential use. Heavy extruded aluminum threshold with replaceable vinyl insert. A deluxe extra high vinyl insert, model RV36H. 3 3 4" x 36" Heavy duty premium high boy Ideal for reesidential use Heavy extruded aluminum threshold with replaceable vinyl insert A deluxe extra high vinyl insert, model RV36H.