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Pololu Ball Caster with 1" Plastic Ball uses a 25.4mm (1") diameter plastic ball. The height of the ..
$5.34
Pololu Ball Caster with 1/2" Metal Ball uses a 12.7mm (1/2") diameter metal ball. The height of the ..
$2.40
Pololu Ball Caster with 1/2" Plastic Ball uses a 12.7mm (1/2") diameter plastic ball. The height of ..
$2.29
Pololu Ball Caster with 3/4" Metal Ball uses a 19.05mm (3/4") diameter metal ball. The height of the..
$3.20
Pololu Ball Caster with 3/4" Plastic Ball uses a 19.05mm (3/4") diameter plastic ball. The height of..
$4.00
Pololu Ball Caster with 3/8" Metal Ball uses a 9.5mm (3/8") diameter metal ball. The height of the a..
$3.01
Pololu Ball Caster with 3/8" Plastic Ball uses a 9.5mm (3/8") diameter plastic ball. The height of t..
$2.27
Pololu Plastic Ball Caster Trio is a great third contact point for a small, differential-drive robot..
$2.00
Tamiya 70144 Ball Caster Kit is a good way to give a “third wheel” to a small robot powered by a dif..
$7.50