Spool Cover For Garden Trimmers (2 Pieces) - Compatible With Gardenline GLR, GLT, Einhell GC-ET 4530 Set. Suitable for models: 3405685. Compatible with Einhell GC-ET 4530, 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. Spool specifications: 2 x 5 m nylon copolymer resin in spiral design, synthetic trimmer/edge cutting line. 1.6 mm diameter cord supports efficient cutting and extended service life. Easy to use: simplifies line replacement. Simple installation—remove the old spool and replace with the new one. Safety instructions: wear protective eyewear and appropriate clothing during use to prevent injury from flying debris. Disconnect power before installing, removing, or replacing accessories. This trimmer line is intended for light-duty use on young grass; for thick weeds, use alternative tools such as blade attachments.