• Standard top pivot 180 included • 119 intermediate pivots recommended (order separately) • Bottom pivot mortised into side jamb • Not available for fire-rated doors • Non-ferrous base material • Doors 60" (1524mm) to 90" (2286mm) in height should use one intermediate pivot. Each additional 30" (762mm) of door height warrants another intermediate pivot • 3/4" (19mm) offset (measured from the centerline of pivot to face of door) • Door edges must be beveled 1/8" in 2" • Weight of door borne by floor • Furnished with wood and machine screws • Extended spindles available in 1/2" (13mm) increments up to 2" (51mm) longer than standard