Note: To determine the correct size, you need to measure the outer diameter of the leg. You can use our easy measuring guide for this. Product information This chair leg riser with felt is designed to offer you the ultimate ease of use and functionality! It is an ideal way to raise your chairs by 4.5 cm while the built-in felt provides the necessary protection of your floors against scratches and other damage. Specially made for chairs with square legs, this riser is a subtle and effective solution if you want to add a little extra height to your seating furniture. With the standard part you raise your chair by 30 mm, and with a special intermediate part even 45 mm! Also suitable for angled legs up to a maximum angle of 30 degrees. Outer Diameter (mm) Inner Diameter (mm) 20x20 14x14 - 17x17 25x25 20x20 - 22x22 30x30 25x25 - 27x27 35x35 29x29 - 32x32 Whether you need extra height in a home, office, restaurant or any other place, this riser is ideal, especially on wooden, laminate, or other hard floors where it is important to prevent scratches. The best part is that if the felt wears out, you only need to replace the cap with thread and felt. The inner part can simply remain in the chair leg, making it a durable and cost-saving solution for the long term. In short, this chair leg riser combines convenience, functionality, and protection in a smart and handy design, ensuring you have extra height and floor protection in any situation!