Ring Sizes -- Vipera Berus

 Weave Shape Gauge ID (mm) RPI
Vipera Berus, Round 20g RD 20 2.625 40
Vipera Berus, Round 18g RD 18 3.250 32
Vipera Berus, Round 16g RD 16 4.250 24
Vipera Berus, Round 14g RD 14 5.250 20
Vipera Berus, Round 14g

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.