This is the one I found: 1" Platinum Silicone Hemisphere Bumper, Non-Skid Isolation Feet with Adhesive - 20 Duro - 8 Pack

Hudson HiFi understands sound, along with all the required attention to detail. With each creation, we strive to mirror this commitment to all our accessories. Our high-fidelity audio accessories and vinyl display solutions have many applications in elevating the listening experience. Every audiophile setup matters. These include audio isolation transformer, bookshelf speaker isolation, computer case feet, iso acoustic speaker stands, isolation cell rubber beet, and rubber isolation feet. But even the smallest accessories can make the biggest difference in terms of improving the audio quality from your devices. Introducing the Hudson Hi-Fi