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Steel stepped ring mandrels offer a practical solution for jewelers working on wider bands and rings. Unlike tapered mandrels, the stepped design features straight, flat ring-size steps that keep rings from shifting during forming and finishing work. Two versions are available: one covering full sizes and one covering half sizes, making it easy to select the right fit for your sizing needs.
Features
- Straight stepped design ideal for working on wider rings
- Each step is clearly delineated for accurate ring sizing
- Available in full sizes or half sizes to suit different workflows
- Substantial 13" overall length provides a secure grip while working
- Individual stepped sections measure 7/8" (22–23 mm) in length
Specifications
| Material | Steel |
|---|---|
| Mandrel Length | 13" (330 mm) |
| Step Length | 7/8" (22–23 mm) per size |
| Design | Stepped (straight steps) |
Available Options
| Part # | Size Type | Size Range |
|---|---|---|
| 143.040 | Full Sizes | 4–16 |
| 143.040.5 | Half Sizes | 3.5–15.5 |
California Prop 65 Warning:Cancer and Reproductive Harm. www.P65warnings.ca.gov.
- Brand
- Otto Frei
- Part #
- 143.040
- Type
- Mandrels & Stakes
- Country of Origin
- India
- Dimensions
- 13.5 in x 1.5 in x 1.25 in
- Material
- Steel
- Mandrel Length
- 13" (330 mm)
- Step Length
- 7/8" (22–23 mm) per size
- Design
- Stepped (straight steps)
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