Description Fit Black Decker: Fits most mower models: GL280, GL301, GL425, GL430, GL545, GL5500, GLC2500L , GLC3000, GL4525, GL.4525S.B, GLL5028, GL5028SB, GLC1423L, GLC1825L, GLC36 2 5L, 5 STC, STC . more→1825L 5530, ST4525, ST5530, STC1820PC, EPC, EPC, STC 1820, EPC , EPC, STC1 840 , EPC, ST1823, etc. Advanced Edge Trimmer: 9.15m The edge trimmer covers a larger mowing area with a working area diameter of 1.65mm and a nylon cord made of durable and flexible polyamide. Not easy to break, guarantee continuous work. FAST, CLEAN CUT: Interchangeable coils with automatic feeding system simplify the tedious work of winding coils by hand. It uses centrifugal force and aerodynamics to reduce drag and …