The ROBIN Dual‑Line Manual Feed Head is a reliable replacement for 21 – 40 cc straight‑shaft strimmers, trimmers and brush‑cutters. Designed to work with the original ROBIN machines (and many other brands when the supplied adaptor bolts match), this kit gives you a fresh cutting head and everything needed for a quick install.
What’s inside the box
– Dual‑line manual feed head
– 6 m of 2.4 mm diameter line (ready for fast feeding)
– 4 adaptor bolts & 2 adaptor screws (various sizes)
– Spring, cap and mounting hardware
Bolt sizes included
8 mm × 1.25 LHF / LHM, 10 mm × 1.25 LHF / LHM, 10 mm × 1.00 LHF, 7 mm × 1.00 LHM, 12 mm × 1.5 LHF
Key benefits
– Easy manual line feed for consistent cutting performance
– Premium‑grade materials resist wear and corrosion
– Universal fit for most 21‑40 cc straight‑shaft units; just verify the shaft thread before purchase
This dual‑line head restores the power and precision of your ROBIN strimmer or brushcutter without the need for costly OEM parts. Perfect for homeowners and professionals who want a durable, hassle‑free upgrade that keeps lawns and garden edges neat and tidy.





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