CUETECACUEWEIGHT KITFINE-TUNE YOUR GAME AND YOUR CUECuetecs Acueweight Kit goes beyond adjusting the weight of your cue, adding the ability to choose the location of the weight via the Acueweight Kits Polycarbonate spacers. Simply remove the bumper on your AVID or second-generation Cynergy Cue using the supplied 10mm hex key (or remove the cues butt-cap twisting counter clock-wise), and then, after removing any existing weights with a standard No. 2 Philips screwdriver, dial in the weight and balance of your preference.10mm Hex KeyVelvet Acuweight Carry Pouch2 x 0.25 oz. Acuweights2 x 0.50 oz. Acuweights2 x 1.00 oz. Acuweights/li>27mm Polycarbonate Spacer (0.015 Oz.)54mm Polycarbonate Spacer (0.025 Oz.)