General description The Replacement Plastic Blades for Grass Trimmer come in a pack of 100, designed to effectively replace original blades for various trimmer models. Made from high-quality ABS plastic, these blades ensure safety and reliability while providing efficient cutting performance. Technical specifications Overall Size: 85mm Major diameter: 1.5mm Minor diameter: 7mm Compatibility and accessories Compatible with FRT18A, FRT18A1 (Part No. 46155), and FRT20A1 trimmers Check the opening size against the original product before purchasing Installation Easy to install and use Facilitates cutting and pruning of garden plants Usage Ideal for trimming weeds around trees without causing damage