General description 100 pieces of nylon blades designed for compatibility with PolyCut 2-2, PolyCut 3-2, FSA 45, FSA 57, and FSE 52 cordless grass trimmers. These plastic blades serve as perfect replacements for the original blades. Technical specifications Material: Nylon Total length: 90 mm Replacement Part Number: 40080071000 Compatibility and accessories Compatible with models: PolyCut 2-2, PolyCut 3-2, FSA 45, FSA 57, FSE 52 Usage To maintain optimal performance, soak the blades in water before use. Other information