I bought spacers for my steel rims but couldn't fit them because the bolts have a round seat and I need a tapered seat for the steel rims. there is the hit. The seller emailed me to make sure everything is ok but if I have any problems please contact them before taking any further action. It sounded good in theory. So I did. I emailed them mainly to give them feedback on how to improve their product and to invite them to suggest another bolt type as well. Her reflex response was to give me five dollars, which would not solve my problem, and after that my response was radio silence. Bottom line: even if the gasket is good, I can't test it, or I'll have to spend double the money to get another set of bolts/lugs. So spend your money elsewhere, it's not worth the headache.