Fits model For STIHL Polycut 2-2, Polycut 3-2, FSA 45, FSA 57, FSE 52, replacement for OEM Part 40080071000 Other fits model Compatible with Sun Joe 24V-GT10 24-Volt iON, for RedBack SWIFT 40V grass trimmer Lawn mower cutting blades Perfect replacement of the original blades. Good for grasses and thin brush, not for saplings or other hard material Specifications Material ABS plastic Size Length 9CM, small hole diameter 7MM, large hole diameter 12MM Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!