5d (1-3/4") Simpson Ring Shank Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Hidden Deck Fasteners Versatile Application: Intended for use

Versatile Application: Intended for use with Rough Cut 4x6 lumber with a slotted base for adjustable installation

Simpson flat head type 316 stainless steel screws are designed to fasten securely in fiberglass

Concealed Base: Intended for use with 6x6 lumber with a knife-blade style connector designed to slide into a slot cut into the post

and other wood-to-wood projects

5d (1-3/4") Simpson Ring Shank Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Hidden Deck Fasteners Versatile Application: Intended for useSimpson ring shank roofing nails have a large flat head to provide extra bearing surface to firmly secure roofing material.