The Dual‑Line Manual Feed Head + 2 × 80 m Dual‑Core Line is a complete upgrade kit for most 21‑40 cc straight‑shaft strimmers, trimmers and brushcutters. Designed for universal fit, it works with 95 % of popular brands—including John Deere, Honda, Husqvarna, Stihl, Ryobi and Black & Decker—when you use the supplied adapter bolts.
What’s inside the box
- 1 × Dual‑Line Manual Feed Head (premium‑grade metal)
- 1 × 6 m × 2.4 mm diameter line (quick‑start)
- 2 × 80 m × 2.4 mm dual‑core bi‑composite line (high‑strength for tough weeds)
- 4 × adapter bolts & 2 × adapter screws (various sizes: 7‑12 mm)
- 1 × spring and 1 × cap for secure mounting
Key benefits
- Universal compatibility – fits most 21‑40 cc models; just check your shaft thread.
- Easy manual feed – pull the line through the head without a motorized spool, saving battery life and reducing wear.
- Durable dual‑core line – resistant to breakage and ideal for dense grass or thick brush.
- All‑in‑one installation – bolts and screws included for a hassle‑free swap.
Upgrade your garden tool today with this reliable, ready‑to‑install kit and enjoy smoother cutting performance on every trim session.





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