The Challenge N1F Trimmer Line & Spool Guard is a premium‑quality replacement kit designed for the GT250 and GT350 series strimmers. Featuring a dual‑feed spool that holds 2 × 3.5 m of 1.3 mm line, this set delivers consistent cutting power for grass, weeds and light brush without the hassle of frequent rewinding.
Key benefits
– Exact fit for Challenge N1F models (GT250‑B, GT350‑B, and GT250/350‑B).
– Includes a durable cover cap that protects the spool and keeps the line clean when not in use.
– Dual‑feed design ensures smooth feeding from both sides of the spool, reducing line breakage.
Specifications (approximate)
– Spool diameter: 49 mm | Hole diameter: 21 mm | Height (no knob): 18 mm
– Knob: 15 mm × 27 mm | Spring: 55 mm × 12 mm (OD)
– Cap diameter: 69 mm | Cap hole: 28 mm | Cap height (no grooves): 30 mm
The line may arrive in white or orange, offering flexibility for visibility on different terrains. While this is a compatible part—not an OEM component—it meets the same performance standards as the original.
Upgrade your Challenge trimmer with this reliable line and guard kit for smoother mowing, longer run time, and reduced downtime. Perfect for homeowners and professionals seeking a cost‑effective, high‑quality replacement.
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