Genuine Bosch spool & line assembly — part 1600A003TX. Precision-moulded ABS spool pre-wound with nylon cutting line (designed for 1.6 mm line diameter; spool capacity: two lines, 2 × 3 m), engineered to restore smooth semi‑automatic line feed and reliable cutting performance in Bosch grass trimmers.

Fits Bosch ART series Edge Lawn trimmer models including :  ART 26 AS , ART 27 , ART 30 , ART 24 - Cross reference with the 10 digit version number from the side of the machine to confirm fit (eg.  3600 HA5 870 , 3 600 HA5 471 and 3 600 HA5 571) . 

Simple snap‑in installation — the spool‑plug assembly seats into the standard trimmer head and engages the semi‑auto feed mechanism, returning correct line length and cutting diameter (line diameter 1.6 mm as specified for these models). If you keep spare parts for power tools, this genuine Bosch 1600A003TX spool brings your trimmer back to factory behaviour quickly.

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