This is a security safety hasp. It is constructed of steel and comes in a zinc-plated finish making them corrosion resistant. Screw holes on hinge body are offset to help prevent wood from splitting. Installed properly the screws cannot be accessed or removed when the safety hasp is locked. These hasps are easy to install. All the necessary mounting hardware is included for a quick and easy installation (# 6 flat head tapping screws).<li>Hasp leaf and keeper are constructed of stamped steel materials to provide the strongest of security locking devices</li><li>All components come finished in a standard, corrosion resistant, zinc plated finish</li><li>Designed for use with doors on closets, storage rooms, doors, refrigerators, and more</li><li>Features concealed fasteners when in locked position to prevent tampering and easy removal</li><li>Easy to install with only a few simple tools</li><li>For further dimensional and specification information, please see the line drawing</li>