General Description This pack of 50 plastic blades is designed for the Ferrex trimmer, compatible with Aldi 20V and 40V battery models, as well as the FAR 20-ia and FAR 20na models. These blades are an ideal replacement for the original blades, ensuring optimal performance. Technical Specifications Material: Plastic Length: 95 mm Compatibility and Accessories Compatible with the Ferrex Aldi 20V / 40V battery trimmer Compatible with the FAR 20-ia and FAR 20na models Installation The blades are easily replaced on your Ferrex trimmer. Follow the manufacturer's instructions for secure installation. Use For optimal performance, it is recommended to soak the blades in warm water for approximately 24 hours before use. This helps maintain the condition of the blades and improve their efficiency when cutting. Other Information These plastic blades are specially designed for gardening and landscaping use, ensuring precise and efficient cutting.