The QR Extension 2 is compatible with all Predator, Poison and Molinari cues made since 2012 that is equipped with the Uni-Loc® Weight Cartridge System, including:
Sneaky Pete SP4, SP6 and SP8 Series
8K and 9K Series Cues
BK3 and BK-Rush Break Cues
Blak 2nd, 3rd and 4th Generation Series Cues...