Trade my 10 degree gear sets with minor teeth chipped in the corners for chipped 12 degree sets of yours! I have 10 degree: 18s, 22s, and 25s PLUS A PERFECT SET OF 10 degree 67s!!!! Yes 1.67 ratio for trade or $125 shipped! Probably should share shipping costs on the chipped ones, you ship yours prepaid and I'll do the same. what have you got?