Using two hinges with 3/8" to 1/2" glass (10 to 12 mm) the hinge will hold up to 110 lbs. (50 kg) with a maximum door width of 36" (914 mm). Using three hinges with 3/8" and 1/2" glass (10 and 12 mm) the hinge will hold up to 140 lbs. (63 kg) with a maximum width of 36" (914 mm).