1-1/2" - 12 Gauge Smooth Shank Common Nail - 304 Stainless Steel, Pkg 228 Stainless Steel Deck Screws do not install where: (a)

do not install where: (a) A horizontal cold joint exists within the embedment depth between the slab and foundation wall or footing beneath

Engineered Cutting Threads: Designed for low torque during install and strong grip in hardened concrete

Designed with a self-drilling point and zinc plating for moderate corrosion resistance

Although these are labeled as drywall screws

This will only fit a post that measures an actual 12x12"

1-1/2" - 12 Gauge Smooth Shank Common Nail - 304 Stainless Steel, Pkg 228 Stainless Steel Deck Screws do not install where: (a)Simpson Smooth Shank Common Nail is available in type 316 stainless steel as well 304 stainless steel. 316 Stainless Steel is recommended for seaside applications and for superior corrosion resistance. Stainless Steel nails are recommended for construction of permanent wood foundations by the ANSI AF&PA Permanent Wood Foundations Design Specifications.