Quickly secures 1.5" (1.9" O.D.) pipes to the wall for permanent or temporary installations. 1/2"-13 tpi Cup Point Socket Set Screw locks to pipe with a ¼" hex key. Flange ships with 4 × 13/32" (.4065" diameter) holes on 3" centers for bolting to wall with 5/16" or 3/8" fasteners (Fasteners Not included). Maximum Size 1.9" O.D. Pipe Dimensions 4″ × 4″ × 5″ Weight 1