Try giving him a call may work ? Or he may of moved to Thailand sooner that I thought ? If so I wish him well as we lost a darn fine pool cue builder if so !
I replaced my Z2 with a Mezz Sigma Slim. Really liking it after about a year of play. Deflection seems the same but it did take a little getting used to. My Z2 was 10.9mm by the time I retired it.