JL Industries 2222TM 22 x 22 General Purpose Access Panel Rough Opening Size=22 &frac38;" wide by 22 &frac38;" tall";" Material: 20 gauge galvanized formed door panel, flanged on four sides;, Finish: 5 stage iron phosphate preparation with prime coat of White alkyd baked-on enamel Lock / latch: 1 x Screwdriver Operated Cam Latch Hinge: Concealed pin hinge Flange: 1-9/32" flange, Integral perforated taping bead add extra rigidity