Note: To determine the correct size, you need to measure the outer diameter (diameter) of the leg. You can use our easy measuring guide for this.The Insert Cap Round with Felt – Premium+ is the luxury version of our popular round insert cap with felt. This cap combines a sturdy and modern fit with an extra thick and high-quality felt disc. They are made with wool felt, a natural material that dampens sound much better and also lasts longer than standard synthetic felt. This keeps floors optimally protected against scratches and wear, even with intensive use.Why choose the Premium+ line?✅ Wool felt instead of synthetic felt – natural material, stronger and more wear-resistant✅ Extra sound dampening – noticeably quieter when moving chairs✅ Long lifespan – designed for intensive daily use✅ Premium finish – only the best materials are good enoughThe caps are specially developed for straight chair and furniture legs and fit perfectly in various furniture such as chairs, tables, benches and stools. For angled chair legs we recommend the Scratchnomore Footfixx Hollow.Thanks to the Premium+ line you are assured of the best materials and finish. The insert caps are available for chair legs with an outer diameter of 14 to 25 mm. The extra thick felt is wear-resistant, sound-dampening and optimally suitable for virtually all smooth floors such as PVC, laminate, parquet and tiles. But note: the rougher the floor, the faster the felt will wear.InstallationInstallation is simple: place the cap in the chair leg and gently tap it in place with a plastic or rubber hammer. Thanks to the sturdy fit, the cap stays in place, even with daily intensive use.Size Chart Insert Cap Round with Felt – Premium+ Outer Diameter (mm) Inner Diameter (mm) 14 10 – 11 16 10 – 14 18 14 – 15 20 16 – 17 22 18 – 19 25 21 – 22 Material: PE (Polyethylene) and feltColor: black cap with felt