Ya I'm kind of leaning toward a defective jig, but I hate to assume that since I'm a rookie user. FL I do wipe down the roller before changing grits, but I haven't consistently wiped before the micro. Sometimes I do sometimes I don't and I certainly don't have a reason why I'm inconsistent there. Anywho, the stone is flat BUUUUUUTTTTT you may have a point that the micro bevel may magnify the issue.I just can't imagine that a 2 degree difference in bevel angle would cause such a drastic change in results. I had the same thought while I was trying to trouble shoot the problem so I was turning the stones end for end as well as trying the microbevel on different stones. Same result everytime... Maybe I'll re-lapp them tomorrow if I get a chance and give it another go. Otherwise, it's off to the store for a replacement...