How to Replace the Spool and Line on a Bosch Grass Trimmer - YouTube
BOSCH Genuine Grass Trimmer Line + Black Spool Cover Set (L=4m) (Version to Fit: Bosch Art 23 SL Grass Trimmer & Bosch Art 26 SL Grass Trimmer) c/w Stanley KeyTape : Amazon.co.uk:
ALM Spool & Trimmer Line Bosch EasyGrassCut 23, 26, 18 230 F016800569 F016800385 | eBay