Welcome to the store! 1. It adopts an omnidirectional ball caster wheel set and is equipped with rubber rollers to prevent slippage and enhance durability. 2. 100mm dual plastic wheels, durable double-row wheels, capable of 360° movement, rotation, and lateral movement with ease. 3. Omnidirectional movement and rotation, with simple directional control and tracking, allowing for faster turning than standard wheels. 4. Clear fixing direction, simple and stable installation options, providing excellent load stability. 5. Various standard pivot shafts can be directly connected. Suitable for Robot Racing Wheel 14049. Item Type: Double Omni Wheel Number of Boards: 2 Number of Rollers: 18 Body Material: Nylon Roller Material: Rubber Roller Bearing: Brass tube Load Capacity: 20kg/44.1lb Roller Diameter: Approx. 19mm/0.7in Wheel Diameter: Approx. 100mm/3.9in Shaft Width: Approx. 18mm/0.7in Weight: Approx. 319g/11.3oz Compatible: Suitable for Robot Racing Wheel 14049 1 x Omni Wheel 3 x Screw Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!