Crab gauge - photo

Crab gauge.

https://diqn32j8nouaz.cloudfront.net...b_fullsize.jpg


Previously:

https://www.homemadetools.net/forum/...994#post194896
https://www.homemadetools.net/forum/...023#post153202
https://www.homemadetools.net/forum/...944#post119884
https://www.homemadetools.net/forum/...811#post129181
https://www.homemadetools.net/forum/...682#post151831

Oh, just for crustaceans........disappointingly narrow range of applications.