Farmall B rat rod.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...d_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...lb_rat_rod.jpg
Previously:
https://www.homemadetools.net/forum/...542#post166681
https://www.homemadetools.net/forum/...674#post167099
https://www.homemadetools.net/forum/...228#post165480
https://www.homemadetools.net/forum/...596#post123275
https://www.homemadetools.net/forum/...500#post158718
