Jerry Davis wrote:
> paul womack wrote:
>>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?
> I have an old one which is about that size. I don't think it is marked
> but can check and report back if it is. It has a smooth shaft like the
> one in your picture.
Further research in the tool pile
reveals the following:
Record #146 screw-holdfast
1634 grams, 15/16" shaft diameter, 10" shaft length
Woden X110/B75 screw holdfast
1086 grams, 3/4" shaft diameter, 9" shaft length.
So the oldie's a biggy.
I'll head for the catalogues if I remember.