Suitable for Black Decker: Suitable for most trimmer models: GL280, GL301, GL425, GL430, GL545, GL555, GLC13, GLC2500, GLC2500L, GLC3000, GL4525, GL.4525S.B, GL5028, GL5028SB, GLC1423L, GLC1825L, GLC3625L, STC1820, STC1815, ST4525, ST5530, STC1820PC, EPC, STC1840, EPC, ST1823 etc. Quality Trimmer Line: The 9.15m trimmer thread can allow a wider mowing range with a diameter of 1.65mm, the line Nylon polyamide is durable and flexible. It is not easy to break, which ensures continuous work. Fast and clean cutting: The replacement spool of the automatic feed system makes the tedious work of manually wound spools easier. It uses centrifugal force and aerodynamics to reduce drag and achieve fast and clean cuts. Perfect replacement spool: They perfectly replace most original Black & Decker spool models such as A6481, A6485, AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2. The spool can be inserted and removed without tools, and the operation is simple. At the same time, damage to the device is avoided and the thread is optimally used. Great Value Set: The package includes 8 replacement trimmer spools, 2 replacement caps, and 2 replacement springs. The spool cap replaces the RC-100-P cap, and the spring replaces the RC-100-P spring. Excellent value for money. These spools are fully compatible with most Black+Decker trimmers such as GL280, GL301, GL425, GL430, GL4525, GL5028, GL530, GL545, GL555, GL560, GL570, GLC120, GLC13, GLC1823L, GLC1823L (20), GLC1825L5, GLC , GLC2000, GLC2500, GLC3000, GLC1423L, GLC3630L20, ST4525, ST5530, ST5530CM, STC1815, STC1820, STC1820CM, STC1820PST, ST1823, ST182320EP, STC1840EP etc. They are perfect replacements for Black + Decker A6481 and A6485 spools. Specification: Material: Nylon Thread Length: 9.14m Thread Diameter: 1.65mm Spool Dimension: 6.3cmx2.7cm Package Includes: 8 x Trimmer Spool 2 x Cap 2 x Spring Precautions 1, This product is only suitable for young grass. For strong weeds, use other tools, such as pruning shears. 2, Always wear goggles. Before replacing, installing, or removing accessories, please unplug the tool to prevent the splashed wire from hurting people. 3, Not suitable for other brands of trimmers.