The Stonfo Tapered 5-Size Pin Set for Tube Fly is a precision tool for tube fly tying that keeps tubes securely locked while you build flies. These finely machined stainless steel tapered pins accept internal tube diameters from 0.6 mm to 4.0 mm, delivering reliable, repeatable results for a wide range of tube sizes. Each set contains five sizes to cover common tube diameters used in nymphs, emergers, and streamers.
Key Features
- Stainless Steel Construction: Corrosion-resistant material for long-lasting use at the tying bench.
- Precision Tapered Design: Accurately machined tapers provide secure locking with minimal deformation of tubes.
- Wide Size Coverage: Accepts tube internal diameters from 0.6 mm to 4.0 mm—five sizes in one set.
- Tool Compatibility: Designed to work with Stonfo TubeFly (art.610) and Transformer (art.654) terminals and common tube-tying vises.
This pin set speeds up assembly and reduces slippage when building tube flies, making it a practical choice for both hobbyists and professional tiers. Stonfo quality ensures consistent performance pin-to-pin, while the compact 5-piece pack stores easily on your bench or in a fly-tying kit. Many users prefer this set when tying multiple tube sizes in a single session because the tapered fit minimizes tube damage and improves retention.








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