Cendrex PFN Fire Rated Access Door 16 x 16 Rough Opening Size: 16 &frac14;" wide x 16 &frac14;" high Material: 16 gauge cold rolled steel, Finish: High Quality White Powder Coat Lock / latch: 1 x Self latching tool-key operated latch and/or ring operated latch, both included Hinge: Continuous piano hinge Flange: 1" flange