Welcome to our store! 1. It adopts a spherical omni-wheel set and is equipped with rubber rollers to avoid slipping and make it more durable. 2. 100mm dual omni-wheels made of plastic, durable double-row wheels, can easily perform 360° movement, rotation, and lateral mobility. 3. Omni-directional movement and rotation, easy directional control and tracking, making turning faster than ordinary wheels. 4. Clear fixing direction, simple and stable installation options, excellent load stability. 5. Various types of standard casters can be connected directly. Suitable for Robot Racing Wheel 14049. Item Type: Dual Omni Wheel Number of Casters: 2 Number of Rollers: 18 Body Material: Nylon Roller Material: Rubber Roller Bearing: Brass Tube Load Capacity: 20 kg/44.1 lb Roller Diameter: Approx. 19 mm/0.7 inch Wheel Diameter: Approx. 100 mm/3.9 inch Axial Width: Approx. 18 mm/0.7 inch Weight: Approx. 319 g/11.3 oz Compatible: Suitable for Robot Racing Wheel 14049 1 x Omni Wheel 3 x Screw Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.