Simpson PECLDPA-131 Compact Ceiling Clips w/ 1-5/16" Pins - Zinc, Pkg 100 Quik Drive Roofing Tile Screws Hex-Head Drive – 5/16" hex

Hex-Head Drive – 5/16" hex drive for easy installation (replacement bit: BITHEXR516-R1)

This will only fit a post that measures an actual 4x4"

and pergolas

and DIY builders

Featuring a sharp point and unique box-thread design that reduces driving torque while cutting cleanly into wood

Simpson PECLDPA-131 Compact Ceiling Clips w/ 1-5/16" Pins - Zinc, Pkg 100 Quik Drive Roofing Tile Screws Hex-Head Drive – 5/16" hexThe PECLDPA is a powder actuated assembly designed to attach ceiling wires to concrete. The PECLDPA consists of a hardened steel PDPA pin attached to a 120 clip angle. This compact ceiling clip is compatible with Simpson Strong Tie powder actuated tool systems as well as other common tools and can be installed with an overhead extension pole. California Residents: WARNING