Total size (approx): 70mm, hole size: 5.5mm. Plastic replacement blades for Gardena trimmers and trimmers, plastic blade, easily exchangeable, suitable for trimmers 9823, 9825, 9820, 9821, 9828, 9829, 8840, 8841, 2417. RotorCut replacement blades are also for the EasyCut Li-18/23 R grass trimmer (item no. 9823), SmallCut Li-23R, ComfortCut Li-18/23 R (item no. 9825), AccuCut 400 Li (item no. 8840), Suitable AccuCut 450 Li (P/N 8841) and AccuCut (P/N 2417). To keep these blades in good condition and better performance, please soak them in water before use. Quantity: 100 plastic blades for Gardena grass trimmers. Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main picture)