Features: Global Agreement: Developed with PRESENTATION substance, these turn casters fit a wide extent of furniture, eliminating the need for multiple thrower varieties and excellent for home and office use. Quiet Motparticlemail: Direct current PRESENTATION substance ensures quiet sliding, reducing noise on hard exteriors, ideal for quiet conditions like offices and residences. Permanent and Direct current: Produced from wear immune PRESENTATION, these casters provide extended stability, suitable for frequently moved furniture like office chairs and home furnishings. Tool Complimentary Installatparticlemail: Direct current install in ticks lacking tools, simplifying the replacement process and suitable for users of all skill levels, especially enthusiasts. Comprehensive Rotatparticlemail: Features flexible comprehensive turn plan for smooth directional modifications, making furniture motion effortless in tight spaces for both home and commercial settings. Specifications: Substancemail: PRESENTATION polystyrene, with good wear resistance and effect resistance. Dimension: as shown in the figure Color:black Practicality: Global wheel plan, flexible rotation, simple move furniture; simple installation and might completed lacking professional tools. Package Includes: Wheel × 4 note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.