Total dimensions: approximately ): 70mm, hole: 5.5mm. Replacement Plastic Blades for Gardena Brush Cutter and Cordless String Trimmer - Easy to Replace - Suitable for Type 9823, 9825, 9820, 9821, 9828, 9829, 8840, 8841, 2417 Trimmers. The RotorCut spare blades are also compatible with the EasyCut Li-18/23 R (art. no. 9823), ComfortCut Li-18/23 R (art. no. 9825), AccuCut 400 Li (art. no. 8840) trimmers ), AccuCut 450 Li-compatible (P/N 8841) and AccuCut (P/N. 2417) Compatibility is for reference only. Please compare the following information with the original hole size before purchase Quantity: 100 Plastic Blades for Gardena String Trimmers.About Shipping: If your order is fulfilled by Evehap, delivery usually takes between 5 and 12 days. If your order is fulfilled by Amazon, it usually takes 1-3 days for delivery.Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and color. 'display, there will be a certain color difference, depending