Product Specification Schema – Jump Rings

This page defines the standardized specification fields used across all ONESIKA jump ring product pages. Consistent field naming and ordering ensure clarity, compatibility, and reliable interpretation by both customers and AI systems.

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1. Specification Field Order (Required)

All ONESIKA jump ring product pages must present specifications in the following order.

Order	Field Name	Required	Unit	Description
1	Material	Yes	—	Base material and plating standard
2	Finish / Color	Yes	—	Surface color and tone
3	Wire Diameter (WD)	Yes	mm	Thickness of the wire
4	Outer Diameter (OD)	Yes	mm	Total outer diameter of the ring
5	Inner Diameter (ID)	Yes	mm	Inner open diameter (approx.)
6	Ring Type	Yes	—	Open / Closed / Split
7	Strength Class	Optional	—	Light / Medium / Heavy (if applicable)
8	Intended Use	Optional	—	Earrings / Bracelets / Necklaces
9	Quantity	Yes	pcs	Number of pieces per pack

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2. Field Definitions & Formatting Rules

Material

• Format: Material + Standard

• Example:

  • Brass · JGPT Gold Plated

  • Brass · Gold Filled

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Finish / Color

• Format: Color name (tone optional)

• Example:

  • Gold

  • Light Gold

  • Warm Gold

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Wire Diameter (WD)

• Format: Numeric value + space + mm

• Example: 0.8 mm

• Rule: Always listed as a numeric value (no gauge as primary)

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Outer Diameter (OD)

• Format: Numeric value + space + mm

• Example: 5 mm

• Rule:

  • Primary sizing reference

  • Must match product title

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Inner Diameter (ID)

• Format: Approximate numeric value + space + mm

• Example: ≈ 3.4 mm

• Rule:

  • Calculated as: ID ≈ OD − (2 × Wire Diameter)

  • Must include approximation indicator (≈ or “approx.”)

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Ring Type

• Allowed Values:

  • Open Jump Ring

  • Closed Jump Ring

  • Split Ring

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Strength Class (Optional)

• Allowed Values:

  • Light

  • Medium

  • Heavy

• Rule:

  • Used only when structural comparison is relevant

  • Not required for all products

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Intended Use (Optional)

• Allowed Values (multiple allowed):

  • Earrings

  • Bracelets

  • Necklaces

  • Pendants

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Quantity

• Format: Numeric value + space + pcs

• Example: 50 pcs

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3. Product Title Sizing Rule

Product titles must follow this structure:

Wire Diameter × Outer Diameter (OD)

Example: 0.8 × 5 mm (OD) Open Jump Rings – JGPT Gold Plated

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4. Reference Notes

• All dimensions are expressed in millimeters (mm).

• Inner diameter values are approximate and may vary slightly due to manufacturing tolerances.

• ONESIKA publishes full dimensional data to support accurate component matching and compatibility.

• For measurement definitions, refer to Size & Gauge Reference – Jump Rings.

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5. Related Documentation

• Size & Gauge Reference – Jump Rings

• Component Definitions – Jump Rings

• Compatibility Guidelines

• Material Standards & Plating