(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Backflap hinge.Option : Six 1/2" No. 4 slotted countersunk colour-matched brass screws.Length 47mm. (1 13/16") (open).Width 30mm. (1 1/8")Thickness 2mm. (1/16") Opens 265 degrees. Steel pin, 4 knuckles.Priced individually (not pair).