Spiderchain Jewelry

Boutique Jump Ring Manufacturer

0 items
| My Account
  • Learn
    • Beginner
    • Intermediate
    • Advanced
  • Shop
    • Jump Rings
      • Sterling Silver
      • Jewelry Brass
      • Copper
      • Goldfill
      • Goldfill Rose
      • Goldfill White
      • Niobium
      • Rubber
    • More Jump Rings
      • Gauge Samplers
      • AR Samplers
      • Large AR Rings
      • Color Samplers
    • DVDs
    • Books
    • Kits
      • Spiderchain
        • DVD 1
        • DVD 2
        • Step by Step
        • Project Maps
      • O. Sebastian
        • Phaedra
      • Rebeca Mojica
      • Scott Plumlee
    • Tools
    • Findings
    • Limited Editions
  • Reference
    • FAQ
    • Available Sizes
    • Sample Grid
    • Family Portraits
      • Basic 2-in-1
      • Jens Pind
      • European 4-in-1
      • Birdcage
      • Snake
      • Box
    • All About Metals
    • All About Niobium
  • Blog
  • Gallery

Millimeter Sizes

Construction Alert!
This page is partway through a major overhaul. Please pardon our dust…

I’ve barely gotten started with these millimeter sample pictures, and I’ll be updating very (very!) slowly. While you’re waiting for me to fill in some more samples, you may want to refer to the pictures of inch size weaves. If you find a sample there that you like, I’m happy to help you figure out what the nearest millimeter size would be.  You can also refer to the size charts for millimeter recommendations.


BASIC 2-IN-1

This is the simplest of all possible chains. I’m including it both because it’s helpful to see the lower size limit for a particular gauge, and because sometimes you do want a really simple, chunky chain.

size 1.5M22 1.5M21 1.75M20 2M19 2.25M18 2.5M17 2.75M16 3M15 3.5M14 3.75M13 4.25M12 4.75M11 5.25M10
rings/inch 17 17 14 12.25 11 10 9 7 6.75 6.5 5.75 5  4.5
inches/ozt 85 62 52 41 32 25 20 17 12 9.5  8  6 5

BIRDCAGE

birdcageAlso known as Byzantine, this is one of the first jewelry weaves that most maillers learn. My favorite ring sizes for Birdcage are quite tight – large wire gauge when compared to the mandrel size. Ring sizes that do well for Birdcage will also make a nicely snug European 4-in-1.

Please note that my math told me to use size 3.75M17 for a 17ga Birdcage, but it was just a tad too crowded in real life. 4M17 is a better size, and that’s a good reminder to always test before you commit to a size!


FULL PERSIAN

full_persianI adore this weave. (There’s a reason it was the first one posted on this sample page!) Graduated size chains are especially dramatic with Full Persian.

size 3.5M22 4M21 4.5M20 5M19 5.5M18 6.25M17 7M16 8M15 9M14 10M13 11M12 12.5M11 14M10
rings/inch 29 25 23 21 19 17 14 13 11 10 9 8
inches/ozt 16.9 13.1 10.3 8 6.25 5 4.1 3.1

PERSIAN SHEET

mm_HPsheet_1of2mm_HPsheet_2of2More precisely, this is Half Persian 5-in-1 Sheet. It’s an intricate and fun weave, in that brain-stretching half-persian flavor of “fun.” Makes a gorgeous bracelet.


VERTEBRAE

This is a really delightful variation of European 4-in-1. The sizes listed here should also work well for the alternating version that my assistant Katarina discovered.

sizes 2M22
2.75M22
4M22
2.25M21
3M21
4.5M21
2.5M20
3.5M20
5M20
3M19
3.75M19
5.5M19
3.25M18
4.25M18
6.25M18
3.5M17
4.75M17
7M17
4M16
5.5M16
8M16
4.5M15
6.25M15
9M15
5M14
7M14
10M14
5.75M13
8M13
11.5M13
6.5M12
8.5M12
12.5M12
7M11
9.5M11
14M11
8M10
11M10
16M10
rings/inch sm 20 16.5 13.5 12 11.5 9 8.5 7.5 6.5 6 5.5 5
med 10 8.25 6.75 6 5.75 4.5 4.25 3.75 3.25 3 2.75 2.5
lg 10 8.25 6.75 6 5.75 4.5 4.25 3.75 3.25 3 2.75 2.5
inches/ozt sm
med
lg

 

  • About
  • Mailing List
  • Privacy Policy
  • Contact

Copyright © 2025 Spiderchain Jewelry

Create a new list