D3666 Half Glass Steel Door Door Type 1 Lock Type Cylindrical Material 18-Gauge Thermal Insulation U-Factor 0.41 Door Opening Height 84 in Door Opening Width 32 in Window Height 29 in Window Width 19 in Thickness 1-3/4 in Agency Compliance UL Includes Glass Not Included 6-5/8 in 39-5/8 in 72-5/8 in 40-15/16 in 38-7/16 in