[ Module]This drive wheel module is made of material, which ensures its durability and . [Support Robot Walking]Designed to assist the robot in walking, this module improves the robot's mobility and performance. [Perfect Compatibility]Specially designed for models 201-1921-0027 and 201-1921-0026, this module is compatible with N8, PRO, PRO+, T9,+ and OZMO 920, [Sleek and Stylish]With a sleek black color, this module adds of style to your robot and blends seamlessly into its overall design. Colour:Black Material:plastic Specifications: Right wheel Package Contents: 1 x Drive wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.