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W420 Steel Ball Universal Wheel (Castor)

Castor is needed for mobile robot to support the base, especially two wheels mobile robot. Here is the perfect castor with steel ball for small mobile robot. The height i..

$0.75 Ex Tax: $0.75

mBot N20 Vacuum Steel Ball Universal Wheel (Cas...

A caster is a wheeled device typically mounted to a larger object that enables relatively easy rollingmovement of the object. Casters are essentially housings, that inclu..

$0.75 Ex Tax: $0.75

Pololu Ball Caster c/w Plastic Ball

This ball caster kit includes a black ABS housing, a 1/2" diameter plastic ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets. The total height of this ball ..

$5.98 $2.48 Ex Tax: $2.48