#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Zinc Large Diameter Concrete Screws This will only fit a

This will only fit a joist that measures an actual 4"x6"

Adjustability: Allows for easy leveling and fitting during installation

Versatile Sizing: Available to fit common post sizes for a wide range of projects

it is made from high-quality silicone that resists extreme temperatures

Simpson Strong-Tie Drop-In setting tools are the ideal solution for accurately and consistently installing Simpson Drop-In internally threaded anchors

#9 x 1-1/4" Quik Drive CB3BLGHL Cement Board Collated Screws, High-Low Thread, C-3 Galvanized, Pkg 1500 Zinc Large Diameter Concrete Screws This will only fit aStrong Tie Quik Drive CB3BLG cement board screws are designed to quickly and easily fasten dense fiber cement boards to wood. Designed for use with these Quik Drive Attachments PROLDH