Use: convert the swivel office chair with wheels into a fixed chair without losing the height of the chair Replacing the wheels of an office chair with fixed feet helps to better protect the floor, reducing unnecessary sliding and friction. The bottom is made of high-quality PU material, ensuring silent and comfortable movement These fixed feet are versatile and suitable for the majority of office chairs. They can be used to convert swivel home and office chairs with wheels into chairs with fixed feet Each pack contains five units, which is sufficient to meet the replacement needs for chairs. Additionally, each chair foot pad is equipped with installation screws, making it more convenient to use They provide a more comfortable office and home environment. For further details about this item, we are ready to assist