Pin Sizes: Mugen Pin Size: H: 2" in x L:1.65" in Fuu Pin Size: H: 2" in x L:1.4" in Jin Pin Size: H: 2" in x L:1.5" in  

My Pin Grading system:

A Grade: A nearly perfect pin, with only up to 1 minor flaw.

B Grade: A Pin with 2-3 minor flaws

C Grade: A pin with about 4-6 minor or 1-2 major flaws. (I would only go for C-Grade if you don't mind imperfections on your pins.)