Simpson PB66Z 6x6 ZMAX Galvanized Post Base CJTZ Concealed Joist Tie this right hand rotation bit is this right hand rotation bit is designed for use on router tables making it the go to choice for furniture makers 7 Gauge Steel Construction Heavy duty material thickness provides the structural integrity needed to handle demanding load transfer applications in wood framing without flex or deformation at the connection point Embossment in the seat of the base gives increased strength at the critical load transfer point where the post meets the base so this post base is designed from the start to handle the conditions that cause ordinary galvanized hardware to degrade prematurely