(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Engraved backflap hinge. Length 45mm. (1 3/4") (open). Long flap 25mm. (1") Short flap 20mm. (3/4")Width 36mm. (1 3/8")Thickness (variable) 1.5mm. (1/16")Steel pin; 5 knuckles. Opens 180 degrees.Crisp engraved decoration on face side. Priced individually (not pair).