Anti-vibration Piano Insulators (Set of 3)

Selling because I no longer need it after moving my piano.
The 4th image shows an example of use.

These are for grand pianos (3 pieces),
but can also be used for upright pianos.
(Upright pianos require 4 pieces.)

Piano vibration and earthquake-proof rubber. Easily and reliably protect your piano from vibration and earthquakes.
As piano insulators, they firmly secure the base of your piano. Essential for preventing sideways movement and protecting against earthquakes.

Please purchase with the understanding that this is a used item.
Thank you.