Never be forced to play with a standard cue again. It works with any Viking cue and can really give serious players a competitive edge. With this U-ADVQ Adaptor, you can adjust your Viking Quick-Release cue to your own individual playing style. This ask for a U-ADMCQ adapter for your McDermott quick-release cue is built with a grade a maple shaft and a double pressed Irish linen wrap. If you own a Pechauer cue, you need an adaptor to help you adjust the cue to your individual playing style.