Installed on the edge of the door to cover the door gap and block the access to the door latch. Helps protect swing-out doors from being pried open. Deterring use of credit card to jimmy lock. Featured with 1-inch offset cover, the guard plate provides a larger coverage area. 2.5mm thick to ensure no deformation caused by tool prying. L-shaped constructed of hardened stainless steel with matte black finish. Easy installation with screws. Comes with silicone pad to fill the spaces around the strike plate. Just stick the silicone pad onto the strike plate (Optional Installation). Reversible for left or right-handed doors. Ideal for out-swing door flush with or slightly backer than frame, double doors without center mullion. Door latch guard plate with 1 inch offset, Heavy duty version