3/8" Steel Ball Bearings / Marbles, 10/pack SKU: 60315
3/8″ Steel Ball Bearings / Marbles, 10/pack
10-pack of 3/8″ diameter (0.375″ / 9.525mm) G40 Loose steel balls used in ball-bearings. From the stock we use in our marble kits!
These are loose 3/8″ Chromed Carbon-steel G40 bearings. These are not in a bearing-race. Think of these like “Steely” marbles when you were a kid (many, many moons ago).
- 3/8″ (0.375″) diameter (9.525mm)
- 3.6g each
- LOTS OF 10. Buy 1 means you get a pack of 10 balls!
- Grade 40
|Dimensions||5 × 2 × 1 cm|
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