[STANDARD SPECIFICATION DESIGN] Lawn mower blade size: 1.37x0.7x0.02 inches, with a central opening of 0.28 inches, includes 24* blades, 24* screws. The precision of the process results in minimal errors, making it a perfect replacement for old blades and ensuring efficient operation of the lawn mower. [HIGH-QUALITY MATERIAL] Robotic lawn mower blades made of high-quality stainless steel with titanium coating, the blade is a double-sided blade, excellent corrosion resistance, less prone to rolling and wear, the screws are easy to install and replace and have a longer overall lifespan. Good cutting performance, the perfect cut keeps your lawn clean, green and healthy. [COMPATIBLE MODELS] The blades fit perfectly for Worx: S300 WR130E, M500 WR141E, M500 Plus WR165E, M700 Plus WR167E, L800 WR148E, L2000 WR155E. Einhell Freelexo 400 BT, 550, 500 BT, 1200 LCD BT etc. several lawn mower models, please check if the models match before purchasing. [EFFICIENT CUTTING] The robotic lawn mower blades provide you with more efficient cutting performance. Sharp blades can cut more lawn, which means they reduce the frequency of blade replacement and improve machine efficiency. They are an efficient assistant for you to take care of your garden, trim grass and trees and enjoy easy work. Blades: Sharp, continuous bending Color: Gold Material: Stainless steel Package contents: 18 x replacement blades 18 x screws 18 x washers