FIRE RATED ACCESS DOOR, FLUSH MOUNT, INSULATED, MATERIAL 20 GA GALVANIZED STEEL DOOR; 16 GA COLD ROLLED STEEL FRAME, ACCESS DOOR INSTALLATION WALL OR CEILING, DOOR HEIGHT 30 IN, DOOR WIDTH 22 IN, ROUGH OPENING HEIGHT 30 1/4 IN, ROUGH OPENING WIDTH 22 1/4 IN, CLOSURE TYPE SELF-LATCHING TOOL KEY AND RING OPERATED SLAM LATCH, HINGE TYPE PIANO, MOUNTING HOLE SIZE 8 HOLES DIAMETER 1/4 IN, FINISH WHITE POWDER COATED PRIMER