These are the ring sizes we recommend for European 4-in-1. Multiply the rpi (rings per inch) figure by the number of inches of chain you want to make, then use the Rings pulldown at the top of the page to order them... or get a kitpack.
As with all of our work, we invite you to make and sell as many of everything as you like, but ask that you don't publish our instructions or ring sizes.
| Weave | Shape | Gauge | ID (mm) | RPI |
| European 4-in-1, Round 12g | RD | 12 | 6.000 | 25 |
| European 4-in-1, Round 14g | RD | 14 | 5.000 | 31 |
| European 4-in-1, Round 16g | RD | 16 | 4.000 | 36 |
| European 4-in-1, Round 18g | RD | 18 | 3.000 | 72 |
| European 4-in-1, Round 20g | RD | 20 | 2.750 | 100 |
| European 4-in-1, Round 22g | RD | 22 | 2.000 | 160 |
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