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Pololu 3/8" Metal Ball Caster
SKU: 23140This Pololu caster uses a 3/8" metal ball to give a nice, low-friction ride at a height of 0.4" to 0.6"$2.99 USDIn stock
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Pololu 3/8" Plastic Ball Caster
SKU: 23130This Pololu caster uses a 3/8" plastic ball to give a nice, low-friction ride at a height of 0.4" to 0.6"$2.99 USDIn stock
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