ISHP44CP/BN Beveled Glass to Glass 90 Degree HingeISHP44 Beveled Glass to Glass 90 Degree Hinge Centrally positioned pivot line. Secure holding with glass. With gaskets to prevent glass damage. USING TWO HINGES WITH 5 16" TO 1 2" GLASS (8 TO 12 MM) THE HINGE WILL HOLD UP TO 80 LBS. (36 KG) WITH A MAXIMUM DOOR WIDTH OF 28" (711 MM). USING THREE HINGES WITH 5 16" TO 1 2" GLASS (8 TO 12 MM) THE HINGE WILL HOLD UP TO 120 LBS. (54 KG) WITH A MAXIMUM DOOR WIDTH OF 32" (813 MM). Fittings are to be tightened