Please note: For the correct size, you need to measure the outer dimension (diameter) of the leg. You can use our convenient measuring guide for this. Product Information With these risers for square chair legs including felt, you quickly and easily add 3 cm of extra height to your chairs. The integrated felt is of high quality and offers optimal protection for your floors. This means scratches and other damage are definitively a thing of the past. These risers are a practical and discreet choice for anyone who needs an extra high seating surface. Outer Dimension (mm) Inner Dimension (mm) 20x20 14x14 - 17x17 25x25 20x20 - 22x22 30x30 25x25 - 27x27 35x35 29x29 - 32x32 Also suitable for angled legs up to a maximum angle of 30 degrees. The risers are specially designed for chairs with square legs and fit seamlessly, guaranteeing stability and sturdiness. They are made from durable materials that ensure a long lifespan, so you can enjoy extra comfort and protection for years to come. Thanks to the subtle design and neutral color of the risers, they integrate effortlessly into any interior without affecting the aesthetics of the chairs. They are easy to install and can be quickly removed if necessary, ideal for situations where the extra height is no longer desired.