Differing opinions, but I believe the wavy joints are preferred over the united joints by the majority of Mezz / Exceed users. However, it's likely most Mezz / Exceed cue users have probably not fairlyWhat is the preferred joint among mezz shaft users?
The only butt I have that is compatible is a uni-lock from my BK3. The other is a 5/16x18.
The Wavy joint will fit a modified 3/8x10 pin. Not sure about the standard 3/8x10, but I've used a Wavy Ex-pro on my Bobby Hunter with the flat bottom pin no problem.