This hinge is easy to mount without any profile machining. With "EASY" hinges is not required any another additional hinges to mount. They are made from non magnetic stainless steel and zamak friction blocks that permit the friction opening of the frame at 90°. Maximum load capacity (static weight): 30 Kg for transom and projecting out opening. 18 Kg for casement opening. The maximum load capacity for the normal functionality is guaranteed with maximum opening at 45°; maximum opening at 90° has to be done in particular cases, for example for the window cleaning. Considered dimensions: W 1200 x H 450 mm. ( for transom and projecting opening) W 450 x H 1200 mm.