What Is A Jump Ring?
A jump ring is a small metal ring used to connect jewelry components such as chains, clasps, pendants and findings.
Jump rings are one of the most common fabrication components in jewelry making and are available in many diameters and wire gauges.
Common Jump Ring Sizes
| Inside Diameter | Common Gauge | Typical Jewelry Use |
|---|---|---|
| 3 mm | 20–22 ga | Delicate chain connections |
| 4 mm | 18–20 ga | Earrings and fine findings |
| 5 mm | 18–20 ga | General jewelry assembly |
| 6 mm | 16–18 ga | Pendants and connectors |
| 8 mm | 16 ga | Chunkier designs and chainmail |
| 10 mm | 14–16 ga | Decorative links and larger pieces |
Inside Diameter vs Outside Diameter
Jump rings are usually measured using inside diameter (ID), not outside diameter (OD).
The outside diameter changes depending on the wire thickness, while the inside diameter is more useful for jewelry assembly and chain planning.
Choosing The Right Gauge
Thicker gauges create stronger jump rings, while thinner gauges create lighter and more delicate jewelry.
- 20–22 gauge for lightweight jewelry
- 18 gauge for general fabrication
- 16 gauge for stronger pendants and bracelets
- 14 gauge for heavy-duty or decorative work
How Jewelers Open Jump Rings
Jump rings should usually be opened sideways using two pliers rather than pulled apart outward.
Twisting sideways helps maintain the ring shape and creates a tighter closure after assembly.
Using Jump Rings In Jewelry Design
Jump rings are used in chains, clasps, pendants, charm bracelets, earrings and chainmail jewelry.
The correct size depends on both aesthetics and structural strength.