(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Louis XV French Rococo escutcheon.OUTSIDEHeight 63mm. (2 1/2")Width 36mm. (1 3/8")Thickness (variable) 3.5mm. (1/8")KEYHOLEHeight 16mm. (5/8")Diam. of hole 7mm. (1/4")Width at narrowest part of neck 5.5mm. (3/16")Width at base of taper 7mm. (1/4")