Used 15mm steel spindle, that has been cleaned and had fresh zinc professionally applied.
Believed to be Maico.
Maximum overall length is 247mm.
Shaft diameter is 15mm.
Shaft length including thread is approximately 190mm.
Shaft length is approximately 170mm.
Threaded section is 20mm.
The shoulder diameter is 20mm and is approximately 45mm long with a cross drilled hole as per the picture.
Only one available.