General description The set of 5 hard floor castors is designed for office chairs, providing a smooth and quiet rolling experience. With a load capacity of up to 200 kg and a 360° swivel feature, these castors are suitable for all types of floors, including tile, hardwood, granite, stone, concrete, and vinyl, ensuring no scratches or damage to your surfaces. Technical specifications Diameter: 75 mm Stem Length: 7/8" (approximately 22 mm) Material: High-quality steel and soft polyurethane Load capacity: Up to 200 kg Compatibility and accessories Compatible with 99% of office chairs, including brands like Herman Miller, Steelcase, Aeron, Dxracer, Humanscale Freedom, Lazyboy Serta, Hon, and Boss. Not suitable for Ikea chairs. Installation Easy to install in just two steps: remove the old casters and install the new ones without any tools. Features removable screws for easy cleaning. Usage Ideal for office chairs, gaming chairs, executive chairs, swivel chairs, and desk chairs. Designed