• The COSYLAND Office Chair Wheels offer a significant improvement, replacing conventional wheels that are often noisy and damage the floor. • Smooth and silent movement thanks to the wide 75 mm roller diameter and the ball bearing that reduces friction. • Floor protection with rubber tread, preventing damage to laminate, vinyl, parquet, wood, and carpets. • Smooth surface that prevents pet hair accumulation. • 11 mm polypropylene wheels, adaptable to most swivel chairs, excluding Ikea and Topstar. • Composed of carbon steel support, ABEC-7 bearings, and polyurethane wheels. • Maximum load capacity of 300 kg, providing high comfort.