Spool Cover for Garden Trimmers (2 Pieces) – Compatible with Gardenline GLR, GLT, Einhell GC-ET 4530 Set Suitable for models: 3405685, Einhell GC-ET 4530 set, Gardenline Aldi GLR 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, GLR 450/1, 4550/1, 450/2, 450/3, 450/4, 450/5, GLT 453, 454, 455, King Craft KCR 450, KCR 451, KCR 500, KCR 500 GB, Top Craft TCR 50, TCR 450, TCR 451, TCR 500, Einhell RTV 40, RTV 5500, RTV 550/1, Performance Power PWR400DGTA, PWR550GT. Durable material: High-quality automatic ABS feed trimmer spool with durable nylon thread made of copolymer in helix design, flexible and long-lasting. Coil specifications: 2 x 5 m nylon copolymer resin in spiral design, synthetic trimmer/edge cutting line. The 1.6 mm diameter cord supports efficient cutting and extended service life. Easy to use: Simplifies the process of replacing trimmer line. Easy installation – remove the old spool and replace with the new one. Precautions: Wear protective glasses and appropriate clothing when using this product to avoid injury from flying debris. Disconnect power before replacing, installing, or removing accessories. This trimmer line is intended for use on light vegetation; for tougher weeds, use alternative tools such as blade attachments.