Fitment:42-047 Magnetic Wall Mounted Blade Balancer Suitable For All Lawn Mowers Such AsTroy Husqvarna, Blade Replacement 339075B, Balanced Blade After Grinding, BlackReplacement Part Number:Replacement 42-047 339075BApplicable Model:Blade Balancer Suitable For All Lawn Mower Blades, Suitable ForTroy Husqvarna And Others.Designed Specifically For Almost All Lawn Mower Brands And ModelsDescription:Highest after-sales guaranteeLow cost,Highest cost performanceBrand New High Quality Durable and easy to installThe Blade Balancer Is Made Of High-Quality Metal Aluminum, Which Is Sturdy And Durable, With Good Wear Resistance And Corrosion Resistance. Compared With Similar Plastic Cones, It Is More Durable And Has A Longer Service LifeSmooth Cutting: Heavy Precision Blade Balancers Can Provide Accurate Blade Balance, Proving Imbalanced And Curved Blades, Achieving Smoother Cutting. Extend The Service Life Of The Lawn Mower And Reduce VibrationPackaging And Installation: 6 Large Magnets.Place The Blade On The Balancer And Secure It In Place With A Good Magnet To Achieve The Balancing Process.If You Have Any Questions About The Product Or Installation Process. Please Contact Our Technical Support Team PromptlyPackage Include 1 Magnetic Wall Mounted Blade BalancerW/Product Instruction(As Picture Show, Contact If Receive With Missing Parts.)Notes If You Are Not Sure The Item 100% Fit For Your Vehicle Before Your Purchase.Please Allow 1-3CM Differs Due To Manual Measurement.Due To The Different Display And Different Light, The Picture May Not Reflect The Actual Color Of The Item. Thanks For Your Understanding.