Upgrade your garden care routine with the Dual‑Feed Line Spool Head – 3‑Pack designed specifically for Spear & Jackson GT300 and GT350 trimmers. Each spool delivers a reliable 1.3 mm twin‑feed line (2 × 3.5 m), giving you twice the cutting power without the hassle of frequent refills.
Why it works
– Perfect fit – Engineered to match the original specifications of Spear & Jackson models, the spool’s dimensions (48 mm width × 35 mm height × 21 mm inner diameter) slide seamlessly onto your unit.
– Dual‑feed efficiency – The twin‑feed design feeds both sides of the line simultaneously, reducing clogging and delivering a smoother cut through grass and weeds.
– Long‑lasting performance – Premium‑grade nylon resists wear and UV degradation, so you get consistent results season after season.
What’s in the pack
– Three complete spool heads, each pre‑loaded with 2 × 3.5 m of 1.3 mm line – enough for multiple trimming sessions straight out of the box.
Installation made easy
Simply snap the spool onto the trimmer’s reel, thread the line through the guide slots, and you’re ready to tackle overgrown edges, garden beds, or fence lines.
Compatible with Spear & Jackson GT300 & GT350 – not an official manufacturer part but fully tested for flawless operation. Keep your garden looking sharp with this reliable, cost‑effective dual‑feed solution.





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