The 4x Twin Caster Wheels Set of 4 TPR Heavy Duty Braked Swivel Castor Wheels is a modern and durable solution for small cabinets, tables, cribs, and other light to medium-sized furniture. These black and silver castor wheels are made of TPR and metal, offering a total weight capacity of 240kg per wheel. With a hole diameter size of 4mm and an installation height size of 65mm, these universal roller wheels are easy to install and rotate flexibly, making them suitable for any room in your home or office. Upgrade your furniture with these heavy-duty castor wheels for smooth and convenient mobility.