A small rubber sleeve, suitable for a shaft with a diameter of 2mm, plays a role in limiting and shockproof. For example, it can be a good shock absorber by making a foot of the bottom plate; it can also be used for contact transmission, and this rubber sleeve is sleeved on the motor shaft. Contacting a large rotating disk is called friction transmission. This product can also be used as a shaft sleeve, which is very easy to install without effort, safe and not hurt your hands. https://elecena.pl/product/24591817/9x3mm-black-rubber-shaft-sleeve-80-pcs 2023-12-07 https://elecena.pl/product/24591817/9x3mm-black-rubber-shaft-sleeve-80-pcs 2025-10-29