[HayZee518]

the closet flange fastens the toilet bowl to the effluent line of your house. metal or plastic they are just about the same. the flange consists of a hub that fastens to your house line 3 or 4 inch, two circular grooves with a rectangular opening in each groove, holes around the circumference for fastening the flange to the toilet sub-floor. The flange is orientated so that the rectangular holes are NOT directly underneath and opposite the toilet flange bolt openings in the porcelain. The rectangular openings are rotated about 45 degrees from the opening(s) The flange bolts are inserted through the rectangular openings and rotated until they are at the sides of the toilet flange bolt openings. This will prevent the bolts from coming out of the holes when the nuts are drawn up tight. (see diagram)