Ball Caster with 3/4 Inches Metal Ball

This ball caster kit includes a black ABS housing, a 1/2 inches diameter metal ball, one spacer, and two screws. The total height of this ball caster is 0.83 inches with no spacers. You can also adjust the height by adding the spacers. The ball caster can be mounted to a chassis by the two screw sets included in the kit.