General description These are a set of 100 replacement plastic blades compatible with STIHL Polycut 2-2, Polycut 3-2, FSA 45, FSA 57 brush cutters, and SWIFT 40V trimmers. Made from durable nylon, these blades ensure optimal performance and are a perfect replacement for original blades. Technical specifications Material: Nylon Total length: 90 mm Quantity: 100 blades Compatibility and accessories Compatible with STIHL Polycut 2-2 Compatible with STIHL Polycut 3-2 Compatible with FSA 45 Compatible with FSA 57 Compatible with SWIFT 40V brush cutter Usage For optimal performance, it is recommended to regularly replace your brush cutter blades.