General description These plastic replacement blades are designed for use with STIHL Polycut 2-2, Polycut 3-2, FSA 45, FSA 57, and SWIFT 40V brush cutters. With a total of 100 blades included, they provide a perfect replacement for the original blades, ensuring optimum performance for your lawn mower. Technical specifications Material: Nylon Total length: 90 mm 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 lawn mower Usage For optimum performance, it is recommended to change the lawn mower blades regularly.