4d (1-1/2") Simpson Ring Shank Roofing Nail - 316 Stainless Steel, 1 lb. Pkg HGUS/HHUS Heavy Face Mount Hangers The products are designed with

The products are designed with staggered nail patterns for greater uplift resistance

Its design allows for a lower-profile installation

Drive the screw perpendicular to the metal surface until the hex washer head sits flush

Square-drive recess - reduces cam-out and ensures secure driver engagement

This Simpson Wood-To-Steel Fastening Attachment features a limited lifetime warranty (see manufacturer for specific details on warranty)

4d (1-1/2") Simpson Ring Shank Roofing Nail - 316 Stainless Steel, 1 lb. Pkg HGUS/HHUS Heavy Face Mount Hangers The products are designed withSimpson ring shank roofing nails have a large flat head to provide extra bearing surface to firmly secure roofing material.