• Standard top pivot 340 included • Bottom pivot is mortised into floor • Pivot point centered in thickness of the door • Door must have a radius on pivot edge • Heavy-duty bearings • Pivot set features sealed bearings for protection against weather and debris • Not allowed for use on labeled doors and frames • Furnished with wood and machine screws • Available with extended spindles in 1/2" (13mm) increments up to 2" (51mm) longer than standard