Stonfo Passafilo Elite Bobbin Threader art. 639
The Stonfo Passafilo Elite Bobbin Threader art. 639 is a high-quality bobbin threader designed for quickly and easily passing thread through the tube of a bobbin when tying artificial flies. This small but extremely practical tool saves time and makes everyday work at the fly tying bench much easier.
Manufactured from high-quality stainless steel with precision machining, the Stonfo Elite Bobbin Threader provides excellent durability and long-lasting performance. Instead of a traditional wire loop, this tool features a precision hook that securely grips the thread and allows smooth pulling through the bobbin tube.
The model is available in two sizes: Size 1 (1.0 mm) for standard and fine bobbin tubes, and Size 2 (1.4 mm) for bobbins with larger diameter tubes, suitable for thicker threads and more bulky materials.
Technical Specifications
| Type | Bobbin Threader |
| Model | Stonfo Passafilo Elite Bobbin Threader art. 639 |
| Material | Stainless Steel |
| Sizes | Size 1: 1.0 mm / Size 2: 1.4 mm |
| Designed For | Threading fly tying thread through bobbin tubes |
| Manufacturer | Stonfo – Italy |
Key Features
- Makes threading bobbins quick and effortless.
- Made from high-quality stainless steel.
- Precision hook securely grips the thread.
- Available in two sizes for different bobbin tubes.
- Suitable for standard threads and bulkier tying materials.
- A compact and reliable tool for every fly tying bench.
What Is It Used For?
The Stonfo Passafilo Elite Bobbin Threader art. 639 is used to easily pass tying thread through the tube of a bobbin. It is especially useful when frequently changing threads, working with multiple colors, or using different bobbins during the fly tying process.
Who Is It For?
The Stonfo Passafilo Elite Bobbin Threader art. 639 is suitable for fly tyers of all experience levels, from beginners to professionals. It is a small but valuable accessory that makes fly tying faster, easier, and more organized.
- Type of toolThreaders


