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.

 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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