Fire Escape Window Hinges 12" inch Egress 17mm Friction stays upvc pvc Glazing
12" (300mm) & 17mm Stack Height. Hinge Width is 18 mm most friction stays are within 0.5 mm of this size. Pair of 12" Side Hung Fire Escape WindowFriction Hinge. 16" Version complies with BS8213 Part 1991 for fire escape windows.