Product Description Colour: Gold 45 Spare Blades - Suitable For All Husqvarna Automatic Mower Models Application Note 1.The Blades Are Extremely Sharp, Please Note This When Assembling. 2. If The Cut Looks Uneven And Dirty, It'S Time To Change The Blades. Please Always Exchange All Used Knives For A New Spare Blade 3. We Recommend That You Replace The Screws Directly When Changing The Blades. 4. Flipping The Blade Does Not Make Sense, As The Direction Of Rotation Of Your Robot Lawn Mower Changes Normally. Feature: 1. [Smooth Cutting Image]: Due To The Thickness Of 0.75 Mm And A Weight Of 3 G, The Replacement Blades For Automatic Trimmer Produce An Even And Regular Cut. The Axle Load Is Not Affected By The Slightly Higher Weight 2. [Long Lifetime]: The Blade Set Is Made Of Stainless Steel, Which Guarantees A Long Service Life. The Supplied Screws Are Also Stainless 3. [High Security]: The Robotic Replacement Blades For The Automatic Motor Can Not Break The Use Of High Quality Materials. Even If The Blade Encounters Resistance (Stones Or Similar) - Ideal For The Safety Of Animals And Children Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia