Twin‑line spools are essential for keeping your Mac Allister trimmer cutting clean and efficiently. This 4‑pack delivers everything you need to replace worn line in a single go, so you can get back to mowing, edging, and clearing weeds without interruption.
Key features
– Blue twin line – 1.5 mm wide for strong, fast‑cutting performance
– Generous length – 2 × 5 m of line per spool, enough for several trimming sessions
– Compact spool size – 65 mm diameter, 21 mm height; fits the standard Mac Allister spindle
– Precise inner dimensions – 16 mm top opening, 12 mm core diameter for a snug fit
These spools are compatible with the most common Mac Allister models: GTB2‑600, MGT600, and MGTP600. They are a reliable aftermarket alternative that matches the original specifications, ensuring smooth feeding and consistent cut quality.
Why choose this pack?
– Convenient bulk supply – four spools mean fewer re‑orders and less downtime.
– Easy installation – simply unwind the old line, slide the new spool onto the spindle, and thread the line through the guide.
– Durable construction – the reinforced blue line resists breakage even on tougher vegetation.
Upgrade your garden tools with this affordable twin‑line replacement set and enjoy a cleaner, faster trim every time.





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