This item is a set of three plastic rollers, a 1″-diameter plastic ball, and a retaining clip that can be used on the front or back ball castor locations on the Romi chassis base plate. The ball is white, and all other parts are yellow . It is included as part of the yellow Romi Chassis Kit .
We can ship 241 more in 7-10 days
Our Code: SKU-003751
Supplier Link: [Pololu MPN:3534]