(Note: Measurements are outside max. dimensions unless stated otherwise).
19th Century : Decorative knob with gently domed top with star pattern and indentation centre top.
Top diam. 14mm. (9/16")
Height 15mm. (9/16") + threaded shaft 10mm. (3/8")
Collar diam. 8mm. (5/16")
For suitable backplate if required, see "Backplates" section.
It is recommended that a pilot hole is drilled and pre-cut with a steel screw of slightly smaller size before screwing in the casting to avoid shearing.