Features Low Starting Resistance: Experience effortless movement with minimal friction, ensuring quiet and smooth operation for your trolleys and furniture 360-Degree Flexibility: Navigate tight spaces easily with a full range of motion, allowing for seamless directional changes and enhanced maneuverability Floor-Friendly Design: Enjoy peace of mind with wheels designed to resist wear and tear, preventing scratches on hardwood and tile surfaces Durable Shock Absorption: Benefit from high toughness and effective shock absorption, providing stability and support for heavy loads without compromising performance Versatile Compatibility: Perfectly suited for various applications, including trolleys, furniture, dining carts, and office chairs, enhancing functionality in any setting Features: 1、Low starting and rolling resistance, roll quietly and smoothly. 2、360 degree swivel allows the castor to move flexibly in different directions. 3、The wheel has good wear resistance, would not scratch the floor. 4、High toughn, shock adsorption. 5、Suitable for trolleys, furniture, dining cars, office chair, etc. Specification: Features: Low starting and rolling resistance, roll quietly and smoothly. 360 degree swivel allows the castor to move flexibly in different directions. The wheel has good wear resistance, would not scratch the floor. High toughn, shock adsorption. Suitable for trolleys, furniture, dining cars, office chair, etc. Specification: Material: Rubber + Metal Quantity: 4pcs Product Size: 5*5*9cm / 1.97*1.97*3.54in Weight: 620g (approx.) Package List: 4 * Casters Package List