Pololu Ball Caster with 3/8″ Plastic Ball vs Pololu Ball Caster with 3/8″ Metal Ball
Pololu Ball Caster with 3/8″ Plastic Ball and Pololu Ball Caster with 3/8″ Metal Ball are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses.
| Criterion |  Pololu Ball Caster with 3/8″ Plastic Ball |  Pololu Ball Caster with 3/8″ Metal Ball |
|---|---|---|
| Price | $2.95cheapest | $2.95cheapest |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 0.8 g | 4 g |
| Ball diameter | 0.375 in | 0.375 in |
| Ball material | plastic | metal |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.