Ring Sizes -- Spiral 6-in-1

 Weave Shape Gauge ID (mm) RPI
Spiral 6-in-1, Half Round 10g HR 10 8.500 8.5
Spiral 6-in-1, Half Round 12g HR 12 7.000 13
Spiral 6-in-1, Half Round 14g HR 14 5.25 14.8
Spiral 6-in-1, Half Round 16g HR 16 4.250 17.3
Spiral 6-in-1, Half Round 18g HR 18 3.5 19.9
Spiral 6-in-1, Half Flat 18g HF 18 3.000 22.5

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.