Glardon-Vallorbe LO0406-HSS Knife Traditional Gravers are Swiss-made high speed steel engraving tools requiring shaping and fitting into a handle before use. High speed steel is harder than carbon steel, holds an edge longer, and requires less sharpening when working with most metals — making these the professional’s choice for generations.
Manufactured by Usines Metallurgiques de Vallorbe SA (UMV) of Vallorbe, Switzerland, these gravers are identified by the Fish trademark and the Glardon-Vallorbe Swiss Made name. Previously sold in the USA under the Grobet name, they are now offered under the factory brand name Glardon-Vallorbe, consistent with the rest of the world. Jewelers and stonesetters everywhere rely on the consistent quality and perfect temper of these precision-made tools.
Suitable for use with all types of metals, wood, bone, ivory, and onyx. Used by engravers, stone setters, die sinkers, jewelers, and watchmakers. Many gravers are marked with both the USA graver number and the Swiss graver number. Swiss sizing is given in 1/10 mm increments; USA sizing is also provided where available.
Features
- High speed steel (HSS) construction — harder than carbon steel for longer edge retention
- Requires less sharpening than carbon steel gravers when working with most metals
- Swiss Made by Usines Metallurgiques de Vallorbe SA (UMV), Vallorbe, Switzerland
- Identified by the Fish trademark and Glardon-Vallorbe Swiss Made branding
- Knife graver profile — versatile for engraving, stone setting, and detail work
- Suitable for metals, wood, bone, ivory, and onyx
- Used by engravers, stone setters, die sinkers, jewelers, and watchmakers
- Many gravers marked with both USA and Swiss graver numbers
- Must be shaped and fitted into a handle before use
Specifications
| Style | Knife (Traditional) |
|---|---|
| Material | High Speed Steel (HSS) |
| Overall Length | 100mm |
| Useable Shape Length | 65mm |
| Tang Length | 35mm |
| Size Range | 2.2mm – 2.8mm |
| Origin | Swiss Made |
| Model | LO0406-HSS |
Available Options
| Part # | Size (Swiss #) | Diameter |
|---|---|---|
| 136.300 | 1 | 2.2mm |
| 136.301 | 2 | 2.6mm |
| 136.302 | 3 | 2.8mm |
Notes
- Handle not included — gravers must be shaped and fitted into a handle before use.
- Swiss sizing is measured in 1/10 mm increments; USA sizing is provided where available.





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