£ 18.25 £ 21.90 (including VAT)
Copied from a dome centered knob, with an almost spinning top like resemblance; adapted with a modern steel thread fitting. We believe the original dates back to the Edwardian era.
Diameter: 1″ (25mm)
Projection: 1″ (25mm)
Please note as this is a new item, lead times are slightly longer than normal.