4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Double-Barrier Coating – Resists corrosion

Double-Barrier Coating – Resists corrosion in wet

Metal stud framing

These anchors are designed to drive straight into concrete without needing sleeves or inserts

and other heavy-duty metal connections

Simpson Strong-Tie® bull-point chisels are designed for use in general concrete and masonry demolition

4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Double-Barrier Coating – Resists corrosionSimpson ring shank roofing nails have a large flat head to provide extra bearing surface to firmly secure roofing material. A spiral "thread" on the shank causes the nail to spin during installation, creating a thread like interlock with the wood.