(Note: Measurements are outside max. dimensions unless stated otherwise).SPECIAL OFFER PRICE (ONLY 10 LEFT BEFORE DELETION). In stock and ready for prompt dispatch.18th Century : Mild steel key blank with kidney bow and oversize bit which can be cut to size on three sides. Height : 50mm. (1 15/16")BOWHeight 10mm. (3/8")Width 13mm. (1/2")SHAFT / BARRELExternal diam. 4mm. (3/16")Length from bottom of bit to base of collar 35mm. (1 3/8")Length from base of collar to base of bow 5mm. (3/16")BITHeight 25.5mm. (1")Length 17mm. (5/8")Thickness 3mm. (1/8")Unbored shaft.