The GSL6000 Heavy Duty Concealed Safe offers robust security for your valuables with its 1/4 inch solid steel door and 1/8 inch steel body. Designed to be recessed into a wall, it can be easily hidden behind a picture or mirror. The safe features a 1 inch flange for straightforward installation and pre-drilled anchor holes for secure mounting. With a depth of 6 inches, the GSL6000 provides ample space for storing important documents and other valuables.