Feature:1. Made of high‑quality stainless steel, the omni‑directional wheel is stronger, more pressure, and more Suitable for ball balance ball ballbot 14183.2. Adopts a variety of high‑precision processing technologies, combined with wire cutting, cutting, and stamping processing.3. Using omnidirectional wheels, it can make your robot run smoothly or build a complete power transmission system.4. Each omni‑directional wheel can travel independently. The compact layout and rollers provide additional flexibility.5. It can make lateral and sliding movement flexibly, and realize omnidirectional wheel performance movement.Specification:Item Type: RC AccessoriesBody Material: Stainless SteelRoller Material: Stainless SteelWheel Diameter: Approx. 100mm / 4inWheel Width: Approx. 28mm / 1.1inLoad Capacity: Approx. 5kg / 176.4ozWeight: Approx. 539g / 19ozNumber of Large Rollers: 6pcsNumber of Small Rollers: 6pcsNumber of Bearings: 32pcsSuitable for: Ball Balance Ballbot 14183 Package List:1 x 100mm Omni Wheel1 x WrenchNote:1. Manual measurement, allow 1‑3mm / 0.04‑0.12in error, thank you!2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.