Features:_x000D_1 Small Wheel: Small wheel is made of premium rubber, with high friction and low pulsating noise _x000D_2 Premium Material: The structural parts are made of aluminum alloy with long service life and no deformation _x000D_3 Good Stability: The number of supporting wheels is 10, the load capacity gets up to 15KG, and the stability gets better _x000D_4 With Maximum Flexibility and Free Mobility: The use of omni-directional drive technology enables rapid positioning of vehicles in small spaces _x000D_5 Walking Mode: The specific walking mode is straight, oblique, transverse, s-traveling, and rotation at any angle with zero radius _x000D_Diameter:60mm _x000D_Thickness:24mm_x000D_Material:metalPackage List:_x000D_2pcs x Wheel Tire