Product Replacement plastic blades for Gardena grass trimmers and battery trimmers, Plastic blade, easy to replace, Suitable for trimmer item no. 9823, 9825, 9820, 9821, 9828, 9829, 8840, 8841, 2417. Overall size (approx.): 70 mm, hole size: 5.5 mm. The GARDENA RotorCut replacement blades are also for the EasyCut trimmer Li-18/23 R (Part 9823), ComfortCut Li-18/23 R (Part 9825), AccuCut 400 Li (Part 8840), and AccuCut 450 Li (P/N 8841) and AccuCut (P/N 2417). (Compatibility is for reference only. Please compare the following with the original hole size before purchasing)