Heavy-Duty Anchor: Features a thick steel base plate (typically 4-1/2" × 4-1/2") with thirteen heavy-duty mounting screws.Clean Transition: Includes an 'RO Trim' (or matching wood moulding) that wraps around the base of the post, seamlessly hiding the metal plate and screw heads from view.Hidden Fastening: Allows for a rigid surface mount without relying on under-floor access or unsightly exposed brackets.