I recently found a screw operated (modern, technical
version of a forged holdfast :-) at a fair price.
I thought it was anonymous, but during rust removal,
I discovered a shallow stamp that indicated
William Marples (Hibernia) and the usual
What surprises me is the scale and weight of the
It weighs 2650 gm (5lbs, 13 oz) and the shaft
is 25mm (let's face it, it's an inch).
Are they usually this robust?