Karp inc. Kdw flush access doors for drywall surf – lock, 8″wx8″h, kdwp88l the kdw has a textured frame and bead so drywall joint compound can be applied in sufficient thickness to conceal flange. Prepunched holes in the flange facilitate fastening the flange to framing members with drywall screws. Trim shall be galvanized steel drywall bead. features: hinge shall be concealed, continuous piano hinge latches shall be flush and screwdriver operated, or shall be key operated cylinder lock with automatic dust shutter finish shall be prime coat of rust inhibitive electrostatic powder, baked grey enamel frame shall be 16 ga steel and door shall 14 ga steel