Measured mine, 44.8mm outside diameter or 1.763 inches, so basically, 1 inch and 3/4..
IDK wall thickness, not inclined to saw it up to find out..


Labor has to be paid more in London England ,
than in China where Da Hon is located.

[SAE for 4130 has 0.8 %Cr, 0.15~0.25% Mn, C 0.28~.33]




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