Limb Saver Bumper dampens vibration on your cue stick, enhances energy on the break.

This product comes in 3 variations to fit most cues:
-25131 fits cues that have bumpers held on with a screw.
-25132 comes with plastic screw that inserts like a weight bolt for cues that bumpers with threads like Meucci and Joss.
-25133 comes with expanding collet that the Limbsaver screws into. For models with plug bumpers like Action and McDermott.