Master Lock 721DPF Single Hinged Hasp, Industrial Grade, 8-inch Secure hard-to-lock property, rolled edges protect against prying Hardened boron alloy staple withstands up to 8 tons of cutting force Hardened boron alloy staples resist cutting and sawing Concealed mounting screws, hinge pins are hidden, single hinge style Designed to fit most corner and angles to secure hard to lock property