Home / Machinery Spare Parts / Brushcutter Spares & Accessories / Strimmer Heads & Spool and Lines / FLYMO Flymo FLY061, Spool and Line Models Contour 600HD, Power Trim 600HD Replaces Product Code 510245990 £11.65 Information Flymo Spool Line Twin Fits Models: Contour 600HD, Power Twin 600HD, CTHD26, Troy-Bit Yardman & MTD T8495 2.00mm Dual Line Auto Feed Flymo Part Number - FLY061, 510245990.