Robot Car Metal Ball Caster Wheel - Universal Wheel

This is a Metal Ball caster wheel Small is an omnidirectional wheel. This caster wheel comes with a metal cap over it. This wheel can be used as a neutral wheel for small robots. The caster wheel makes the robot to walk or move at a more flexible and comfortable way. 

Features: 

1.  Can be Used on 4WD Tank Robot Smart Car
2. MAD Wheel for Robot Smart Car