Key blank - Kidney Bow - Pilot Hole

(Note: Measurements are outside max. dimensions unless stated otherwise).
.

18th Century : Brass key blank with kidney bow. 

Height : 70mm. (2 3/4")

BOW
Height 20mm. (3/4")
Width 28mm. (1 1/16")

SHAFT / BARREL
Pilot hole.
External diam. 6mm. (1/4")
Length from bottom of bit to base of collar 34mm. (1 5/16")
Length from base of collar to base of bow 16mm. (5/8")

BIT
Height 13mm. (1/2")
Length 14mm. (9/16")
Thickness 5mm. (3/16")

Pilot holed shaft.