Round Tin CapsHillman Item #461448
Fas-n-Tite Round Tin Caps, also known as Roof Caps are used with fasteners to create a larger surface area for holding materials in place. Smooth, round edges prevent damage to material being fastened. Use with large head roofing nails. These caps provide a moisture barrier. They are not recommended for use in treated lumber or where surface corrosion is a concern.