Steel backflap hinges are ideal for a wide variety of applications where a hinge is required to be screwed to the face of the door, commonly when the door material is too thin for butt hinges. Multi-purpose Ideal for thin doors or folding joints on furniture Fixings included" Size L x W mm: 50 x 106 Knuckle Dia. mm: 8.8 Hole Dia. mm: 5.30 Thickness mm: 2 Knuckle Type: Plain Corner Type : N/A Material: Steel Finish: Zinc