Material: Nylon PA6,【OEM Quality】 Plastic replacement blades for Gardena Cordless String Trimmers and String Trimmers, plastic blade, easy to replace, suitable for trimmer items- trimmers 9823, 9825, 9820, 9821, 9828, 9829, 8840, 8841, 2417. RotorCut spare blades are also available for the EasyCut Li-18/23 R trimmer (Art. No. 9823 ), SmallCut Li-23R, ComfortCut Li-18/23 R (Art. No. 9825), AccuCut 400 Li (Art. No. 8840), AccuCut 450 Li (P/N 8841) and AccuCut (P/N 2417) . For high performance, be sure to soak them in water for hours before use. Quantity: 100 plastic blades for Gardena lawnmowers.