Simpson Rough 4 x 6 Adjustable Post Base ZMAX ABU46RZ SDWF FLOOR-TO-FLOOR Screw which is available separately

which is available separately

Optimized for corded and cordless SDS-Max rotary hammers - delivers maximum performance whether you are running a high-powered corded tool or a modern cordless platform

Dual-purpose design functions as both a post cap and post base for versatile light connection applications

Minimum Fastener Size: 1/2 in

What does the double nut design on the table and saddle do

Simpson Rough 4 x 6 Adjustable Post Base ZMAX ABU46RZ SDWF FLOOR-TO-FLOOR Screw which is available separatelyThe Simpson Strong Tie ABU46RZ ABU ZMAX Galvanized Adjustable Standoff Post Base for 4x6 Rough is an engineered connector from Simpson Strong Tie designed to attach wooden posts to existing concrete in high capacity applications. The built in 1 in. standoff helps prevent rot at the post end, while the slotted anchor hole provides adjustability for precise placement. With ZMAX galvanization and 12 gauge steel construction, this post base delivers