Item Type: Mecanum Wheel _x000D_ Diameter: Approx. 100mm / 4.0in_x000D_ Wheel Width: Approx. 50mm / 2in_x000D_ Composition: TPU rubber rollers x 9 + wheels are stamped from aluminum_x000D_ Features: 45 degree omnidirectional wheel, single wheel load 30KG._x000D_ Each TPU rubber roller is equipped with two bearings 1TPU rubber rollers are made of high-quality polyurethane TPU material, with good friction and extremely long service life 2All parts except TPU rubber roller are made of aluminum, which will not be easily deformed 3TPU rubber rollers use one bearing at each end for smoother operation and strong load 4Allows the robot to achieve all-round motion while supporting larger loads 5The main body is stamped from aluminum, which has good rigidity and strong impact resistance.1 x Mecanum Wheel(right)1 xWheel CouplingPlease note that the type and old type of this product will be sent randomly, and make sure you will not mind before ordering.