[Premium Quality]Made of high quality 420J2 stainless steel with titanium coating, excellent resistance to rust, antacids and alkalis, wear resistant and long service life. [High Cutting Performance] Soft edge with 1mm thick, razor-sharp, gently mow the lawn in all directions, only hold a little grass at a time, naturally fertilize the soil, keep the lawn clean, green and healthy [Titanium Coating] Not only does it provide better protection against oxidation, but it also keeps the gas trimmer running with high efficiency even in unpleasant weather, as well that less sediment and long lasting. [Easy to change and reversible] Very easy to install and change with the screws (included), the end caps are double-sided, you can reverse one side to side. [Replacement blades] Length 5cm, width 1.8cm, 18pcs replacement with screws, Bosch Bosch Indego Robot Mower perfect fit. Replacement Blades for Indego Mower - Specification Blades: 420J2 Stainless Steel Coating: Titanium Size: 50x18x1mm Screw: steel Coating: Nickel Length: 10*10mm Spare part for Bosch Automower - Perfect cutting result Cut grass gently from all directions, helping it to grow strong, achieving a beautiful carpeted appearance. Suitable for Bosch Bosch robotic mowers. The package includes 18 x Spare Blades 18 x Screws