Pololu Ball Caster with 3/8″ Metal Ball vs Pololu Ball Caster with 1/2″ Plastic Ball
Pololu Ball Caster with 3/8″ Metal Ball and Pololu Ball Caster with 1/2″ Plastic 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″ Metal Ball |  Pololu Ball Caster with 1/2″ Plastic Ball |
|---|---|---|
| Price | $2.95cheapest | $2.95cheapest |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 4 g | 2 g |
| Ball diameter | 0.375 in | 0.5 in |
| Ball material | metal | plastic |
| 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.