This MINI 3PI car N20 Caster Robot Ball Wheel consists of four small balls and a large steel ball, all the steel ball with stainless steel ball, to ensure long-term use will not rust, the outer ring material is plastic, suitable for smart car chassis Support and desktop miniature robots above.
The caster wheel makes the robot walk or moves in a more flexible and comfortable way.
Package Includes :
1 x MINI 3PI car N20 Caster Robot Ball Wheel
Plastic & Stainless Steel