The overall dimension is 40mm, supporting 4mm shaft.

This is a variation of the 40mm prop:

Another 40mm variation (larger blade):

Yet another 40mm variation (larger blade and deeper angle):
This one is 30mm supporting 2.5mm shaft:
Categories:
The overall dimension is 40mm, supporting 4mm shaft.

This is a variation of the 40mm prop:

Another 40mm variation (larger blade):

Yet another 40mm variation (larger blade and deeper angle):
This one is 30mm supporting 2.5mm shaft: