Reel Specification: Trimmer compatible with Black + Deacker reels with headgear, line 9m long and 1.65mm in diameter, compatible with original reel models A6485 A6481 . Suitable for Black Decker: GL280, GL301, GL425, GL430, GL545, GL555, GLC13, GLC2500, GLC2500L, GLC3000, GL4525, GL5028SB, GLC1423L, GLC1825N, GLC1823L, STC15, STC1823C, STC182PC, STC185302, ST58518PC, ST585302PC, ST585302 / EPC, STC1840 / EPC, ST1823. Professional Design: Compatible with Black and Deacker spools by CNC machine slitting and winding, automatic line changing. Manual winding is cumbersome and can easily get stuck during use, causing damage to the trimmer. Sturdy Material: The trimmer line replacement spool adapts high quality ABS spool and a durable polyamide nylon thread that is flexible and durable. Uses centrifugal force for maximum performance. Package Included:6 Replacement Spools for Black + Deacker Trimmer; 1 x Weed Killer Coil Cap; 1 spring.