???Durable Material??Made with high-quality ABS for a lightweight yet robust construction ???Efficient Nylon String??Equipped with a 1.6mm sky-blue round nylon line for precise and effective trimming ???Ample Length??Offers 32 feet (10 meters) of nylon line, perfect for extended use without frequent replacement ???Compact Design??Measures 65mm x 20mm, ensuring easy handling and seamless compatibility with Spear & Jackson trimmers ???Reliable Performance??Engineered for smooth operation and long-lasting performance in demanding lawn care tasks Specifications: ?Material: ABS ?Nylon rope: 1.6mm sky blue round ?Usage: 32ft/10m ?Product size: 65*20mm ?Applicable: for Spear and Jackson GT450, GT600, N1F-GT-280/450-D, S6030ET Compatible with: ?Spear & Jackson GT450 ?Spear & Jackson GT600 Package included: ?3 x Replacement Spool ?Other items not included