Black garage door kit features a round hardened steel hidden shackle padlock for greater resistance to the effects of cutting, and a steel security bar with vinyl protective cover, ideal for outside use. 6-pin cylinder offers a better resistance against picking. Kit includes high security screws. Suitable For All Garage Doors Hidden Shackle Padlock Protection Against Drilling & Cutting Attacks Hardened Steel Construction Floor Mounted Suitable For All Garage Doors Hidden Shackle Padlock Protection Against Drilling & Cutting Attacks Hardened Steel Construction Floor Mounted