Joss and Viking Weight BoltsThese Joss and Viking Weight Bolts will fit inside the stackable weight bolt system of a Joss or Viking Cue. Customize the feel of your cue by adding or subtracting weight bolts from the butt. Choose from weights of 1.0oz, 1.5oz and 2.0oz. Easy to install just pop off the butt cap from the butt end of your cue and with the use of a 6mm Hex Key or Allen Ranch Tool (not included) unscrew the old bolt out and then screw the new one in. Adjusting the weight on your cue could be the factor of winning or loosing a game.