Simpson CD25112C 1 4" X 1 1 2" Countersunk Head Crimp Anchor Zinc, Pkg 100 PPBZ Porch Post Bases 5 R25 bypass framing fixed clip connector 5 R25 bypass framing fixed clip connector features a G90 Galvanized finish for added corrosion resistance and requires the use of hot dip galvanized fasteners which meet the specifications of ASTM A153 Color Coded Options: Makes it easier to identify the correct holder size for the anchor bolt being used The Simpson Strong Tie Crimp Drive anchor is an easy to install expansion anchor for use in concrete and grout filled block The rod coupler and tie wire models should be driven in until the head is seated against the surface of the base material