Simpson Rough Cut 4 x 4 Adjustable Post Base ZMAX ABA44RZ MST/HST Strap Ties 150 is a 15 diameter

150 is a 15 diameter 2 Flute Dowel Drill (Short Series (57

Total Length (L) 2-17/32"

It will only fit a joist that measures an actual 4x6 inches

Each pack contains (1) CBSQ88-SDS2HDG Column Base

Because of its ZMAX G185 galvanized finish

Simpson Rough Cut 4 x 4 Adjustable Post Base ZMAX ABA44RZ MST/HST Strap Ties 150 is a 15 diameterSimpson Strong Tie ABA44RZ ABA ZMAX Galvanized Adjustable Standoff Post Base for Rough 4x4 is engineered by Simpson Strong Tie to securely attach wooden posts to existing concrete. Featuring a built in 1 inch standoff that helps prevent rot at the post end and a slotted anchor hole for on site adjustability, this post base delivers a cost effective, code compliant solution for structural post installations exposed to weather, water splash, or seismic