Pololu Half Inch Metal Ball Caster Wheel

This half inch metal ball caster wheel provides a smooth rolling ball to help stabilize your small robot project.

The caster wheel kit includes an ABS plastic housing, a 1/2 inch diameter metal ball, a pair of #2 mounting screws and two optional spacer pieces. The height of the caster wheel can be adjusted from 0.53 inches to about 0.7 inches by using the included 1/8 and 1/16 inch thick spacer pieces.

This metal ball caster wheel is designed for use with small robot projects and may not roll properly when used for projects that weigh more than a few pounds.

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