36" Prefinished, Prehung Mahogany Exterior Door Unit With Insulated 6-Light Glass Pattern; Left Hand. Ready to install. Completely assembled with 4-9/16" primed jambs, full weatherstripping, sweep, threshold. Unit size is 37-3/4" x 81-1/2"; Rough opening 38-1/4" x 82". Left hand (from the inside closed position, the bore for locks is on the left). Must be installed with proper overhang for protection of the furniture quality finish from the elements.