Description
Description
The C&F Design Universal System Foam – Threader clips into C&F clamshells, boat boxes and fly patches, letting you pre-load flies on threaders and change patterns fast. Flip out the threader leaf, pass tippet through, and pull the fly free—no fumbling at dusk or in wind.
Features
- Clip-in/clip-out compatibility across the C&F Universal System
- Flip-out threader leaf for quick, no-fuss rigging
- Mixed threader sizes for #6–#30 micro fly coverage
- Move the insert between clamshells, boat boxes and patches
| Size (Code) | Fly capacity | Included threaders |
|---|---|---|
| Large (SF-3605THR) | 80 flies | CF-601/S, CF-601/SX, CF-602, CF-602/S, CF-604/S |
| Medium (SF-2605THR) | 40 flies | CF-601/S, CF-601/SX, CF-602, CF-602/S, CF-604/S |
| Small (SF-1605THR) | 0 flies | CF-601/S, CF-601/SX, CF-602, CF-602/S, CF-604/S |
Product Features
The Professional Guide System allows system inserts to be switched between boxes, cases and chest boxes. System Foams are available in a multitude of configuration, including threaders or nymph systems.



