• Door: 14 Gauge Cold Rolled Steel
• Frame: 16 Gauge Cold Rolled Steel With 1" Flange
• Hinge: Flush Continuous Piano Hinge
• Latch: Knurled Knob/Key Operated Latch Bolt
• Finish: Phosphate Dipped And Prime Coated
• Insulation: None
• UL Listed For 1-1/2 Hours In Walls Only
• No Temperature Rise Rating. No Ceiling Rating 
• MFG #371818

This product has been discontinued. Low stock, while quantities last.