Highly flexible: The spinner wheels rotate and turn freely as they move, capable of rotating horizontally 360 degrees, allowing the robot to easily move through the room and clear every corner. Convenience: Thanks to the flexibility of the front casters, robot vacuum cleaners can more easily bypass obstacles and work in tight spaces. Strong stability: The design of the guide wheel helps to maintain the stability of the robot, reduces the probability of sudden stop movement due to obstacles, and makes the robot more smooth and efficient when working. material: The front wheels of the vacuum cleaner are made of a moderate coefficient of friction to prevent hair from tangled in the axle and reduce the possibility of unplanned downtime. Adaptable: The universal wheel is to adapt to different terrains and obstacles.Compatible For L10Pro L10Plus 1T X10 X20 X30 Robot Color: As Shown Material: ABS Package Contents: 2 x universal 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.