This trimming line reel is crafted from High-quality materials to flexibility and durability even with regular use. The included lawn mower replacement cover is made from high-grade High-quality materials to securely hold reel and keep it secure during lawn mowing tasks. This suite not only focuses on functionality but also on user safety without compromising on performance.Our self-feed trimming line reel simplifies your trimming tasks. You can easily change spool and the trimmer will feed it in automatically using centrifugal force. This design eliminates the need to manually wind the trimming line reel during operation, ensuring your task is less labor-intensive and time-saving.Designed for high-performance cutting. Its aerodynamic shape reduces drag, promoting more efficient mowing and ensuring you can cut more grass in less time. High-quality solution for maximum trimming efficiency.Installation and removal are quick and easy, making these trim line reels user-friendly. Each reel is pre-twisted for convenience and can be replaced in just seconds. Attach it in the right place using the simple "snap" feature - no special tools or complicated instructions required, just your hands!In the package you will find 4 replacement trimmer cord reels (196146-9/195858-1) and 1 replacement cord reel cover (231352-0). These replacement parts are for Akkusense 18V DUA181Z, DUR181RF, DUR181, for trimmers. A complete package provides for all your lawn mowing needs.Material: nyloncolour: white+blackPackage Contents: 4 x spool1 x lid1 x SpringOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.