I bought these to use as feet for the Raspberry PI. They work great and are the right size for PI. They create enough friction that the USB and HDMI cables stop trying to pull the PI off the shelf. I have worn them on both raspberry PI and banana PI and am very happy with the results.
Enhanced Stability with Adjustable Rubber Bumper Levelers Thread
3 Review
Ives Commercial SR64BG Silencer Rubber: A Noise-free Solution for All Surfaces
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Rubber Ridged Bumper Diameter Material
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Continental ContiVikingContact 7 195/65 R15 95T winter
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