This Medium Security Access Door is manufactured with heavy-duty materials to prevent unwanted access for installation in any wall or ceiling surface. Features Secure Door Solid Hinge Custom Sizing Specifications Model BMT/BMW/BMP Door 12-gauge Steel Frame 12-gauge Steel Size Min: 8 inches by 8 inches Max: 36 inches by 48 inches Installation Wall or ceiling application Flange 1 inch Exposed, Drywall Bead or Plaster Bead Hinge Concealed Continuous Piano Finish White Powder Coat Warranty 1 year Options Flanges, Latches, and Materials Order Guide BASE FLANGE LATCH WIDTH X LENGTH OPTIONS BM X T - 1 inch Flange W - Drywall Bead P - Plaster Bead M - Mortise Lock Prep (1-1/8") P - Pinned Allen Head Cam Latch(es) S - Pinned Allen Head Security Screw(s) D - Detention Lock Standard Sizes (in.) 8 x 8 22 x 22 10 x 10 22 x 30 12 x 12 24 x 24 12 x 18 24 x 30 12 x 24 24 x 36* 14 x 14 24 x 48* 16 x 16 30 x 30* 16 x 20 30 x 36* 18 x 18 32 x 32* 18 x 24 36 x 36* 20 x 30 36 x 48* B - Galvannealed M - Masonry Anchors S - Stainless Steel, Type 304