Ring Sizes -- Parallel Chain

Weave Shape Gauge ID (mm) RPI
Parallel Chain, Round 16g RD 16 4.500 4.8
RD 16 7.000 7.2
Parallel Chain, Round 18g RD 18 3.500 6
RD 18 6.000 9
Parallel Chain, Round 20g RD 20 2.750 8
RD 20 4.500 12
Parallel Chain, Round 22g RD 22 2.250 10
RD 22 3.500 15
Parallel Chain, Round 24g RD 24 1.625 13
RD 24 2.875 20.5
Parallel Chain, Square 18g SQ 18 4.250 5
SQ 18 6.5 8
Parallel Chain, Square 20g SQ 20 3.250 7
SQ 20 5.000 10

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.