Material: plastic Length: 95mm. Suitable for Ferrex aldi 20V / 40V battery edger, FAR 20-ia FAR 20na To keep these blades in good condition and work better, be sure to soak them in water before using. Quantity: 50 plastic blades for Ferrex aldi trimmer, perfect replacement for the original blades. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it