Designed for wood or metal screen and storm doors 1-3/4 in hole spacing. Fits wood doors from 5/8 to 2 in thick. Interior locking mechanism provides for enhanced security. Mounting screws included to match product finish. Includes spring loaded strike plate. Note, for 2 in thick doors, pan head machine screws 8/32 in x 2-3/8 in are required and must be purchased separately (qty 2). Visual pack.