Get a spare rubber bumper for your Predator QR2 extension and use your extension on multiple cues. The spare rubber bumper for QR Extension2 from Predator pairs with any Predator Cue equipped with the Uni-Loc Weight Cartridge System. Simply remove your existing rubber bumper, install the Uni-Loc QR Extension2 bumper using a standard 6mm allen wrench, twist on the QR Extension2 handle and youre ready to go.Features:Original Equipment Manufacturer (OEM), not aftermarket Simple to installUse your Predator extension with multiple buttsCompatible with all Predator, Poison and Molinari cues made since 2012Requires a 6mm allen wrench (not included) to install