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JSP
Grooved steel ring mandrel
Shape, support and check rings on a steel mandrel with deeply engraved size markings. The groove along one side provides space for the stone in a set ring.
€24,95
JSP · rm3
Specifications
| Brand | JSP |
| Model | rm3 |
| Material | Hardened stainless steel |
| Size range | 1–16 |
| Increments | Quarter sizes |
| Length | Approximately 298 mm (11¾ inches) |
| Design | Grooved to accommodate set stones |