NO NEED TO BUY ANOTHER SHAFT i will take your quick-release (like predator)and modify it to fit any 5/16x14 or 18 pin.it will still fit a quick-release after modification,on some the pilot on the brass insert will have to be faced off to work(such as meucci).charge is $20 plus shipping.i have done several of these with many pleased customers.tom reed custom cues 540-230-2188