Pololu Ball Caster with 3/8″ Metal Ball vs Nylon Spacer: 15mm Length, 4mm OD, 2.7mm ID (25-Pack)
Pololu Ball Caster with 3/8″ Metal Ball and Nylon Spacer: 15mm Length, 4mm OD, 2.7mm ID (25-Pack) are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Nylon Spacer: 15mm Length, 4mm OD, 2.7mm ID (25-Pack) is €0.31 cheaper ($2.59).
| Criterion |  Pololu Ball Caster with 3/8″ Metal Ball |  Nylon Spacer: 15mm Length, 4mm OD, 2.7mm ID (25-Pack) |
|---|---|---|
| Price | $2.95 | $2.59cheapest |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 4 g | 3.4 g |
| Ball diameter | 0.375 in | — |
| Ball material | metal | — |
| Inner diameter | — | 2.7 mm |
| Length | — | 15 mm |
| Outer diameter | — | 4 mm |
| Size | — | 4 x 15 mm |
| 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.