I think mine is leaving marks on my Duramith cueball that my Diamond ball cleaner doesn't take off. The cueball was off the table a couple times onto the concrete floor but there's just too many marks on the cueball for that to be the sole cause.
I saw a cue ball that was used in a "how hard can you break" competition & at the end of the night it looked like it had been dragged behind a car down the interstate... the phonelic tips actually took chunks out of the cue ball & destroyed it in an evening of breakingI think mine is leaving marks on my Duramith cueball that my Diamond ball cleaner doesn't take off. The cueball was off the table a couple times onto the concrete floor but there's just too many marks on the cueball for that to be the sole cause.