Reel Specification: Trimmer compatible with Black + Deacker reels with headgear, line 9 m long and 1.65 mm in diameter, compatible with original models A6485 A6481 reels. Suitable for Black Decker : GL280, GL301, GL425, GL430, GL545, GL555, GLC13, GLC2500, GLC2500L, GLC3000, GL4525, GL5028SB, GLC1423L, GLC1825N, GLC1823L, ST5530C1825L, STC1 815, STC1820PC/EPC, STC1840/EPC, ST1823. Professional Design: Compatible with Black and Deacker spools by CNC machine slitting and winding, automatic line change. Manual winding is cumbersome and can easily get stuck during use, causing damage to the trimmer. Robust material: The trimmer line replacement spool adapts high quality ABS spool and durable polyamide nylon thread which is flexible and durable. Uses centrifugal force for maximum performance. Package Included:6 Black + Deacker Trimmer Replacement Spools; 1 x Weed Killer Coil Cap; 1 spring.