Steel Door with Frame, Door Design Quick Mount, Lock Type Mortise, Frame Type 12 Gauge Steel, Fully Welded, Material 18 Gauge Steel, Hand RHR, Thermal Insulation U-Factor None, Door Opening Height 84 In., Door Opening Width 36 In., Thickness 1-3/4 In., Overall Depth 2-1/4 In., Agency Compliance UL Listed, 1.5 Hour Fire Rated, For Use With Pre-Existing Door Openings, Includes 3 Ball Bearing Hinges, 1 Mortise Lockset, 1 Door Closer, 1 Threshold, Weatherstripping With Door Sweep