4-1/2", Galvanized Swivel Hasp, With Brass Pin, Secure A Wide Variety Of Doors, Cabinets, Boxes, Trunks, Etc, All Screws Are Concealed When Hasp Is Closed, The Swivel Staple Is For Latching Without A Padlock, Spring Washer Holds Swivel Staple In A Fixed Position At All Times The Ribbed Design Is For Extra Strength, With Screws.