Feature:1. Applicable Models: This lawnmower blade set is suitable for Landroid robotic lawnmower, use these blades to make your lawnmower work efficiently.2. Double Sided Blade: This resistance blade is a double side blade, when one side comes off, flip it for more use, it will last longer.3. Fine and : This blade is crafted with fine machining, its fine and cutting makes perfect cuts possible, and practical.4. Widely Applicable: These replacement blades are suitable for all types of grass, for garden, backyard, lawn grass, for a wide range of uses.5. Simple Installation: It is very easy to replace the blade, 2 pieces in one, just remove the screws and replace with new ones, convenient to use.Specification:Item Type: Lawn Mower Blade SetMaterial: Stainless Steel, TitaniumGross Weight: 202g / 7.1ozBlade Size: Approx.3.5 x 2cm / 1.4 x 0.8inRound Hole: Approx.0.7cm / 0.3inScrew Aperture: Approx.0.3cm / 0.1inSuitable Models: The blade applies for Landroid S300 S500i M500 M700 M1000i M1200i L1500 L1500i L2000 L2000i ID B M800i M900 S50. 0i S Basic SS. 450I S700i, S WR130E M WR141E M WR142E M WR 143E M WR153E L WR155E and so on.Package List:30 x Blade60 x Screw