9’’ Chainsaw Tooth Steel Brush Cutter Replacement Blades: Fit most of the gas or electric trimmers (Straight shaft trimmers only) with 9’’ X 1" arbor, for brands - Husqvarna/ Stihl/Ego/ Oregon/ Hitachi – guaranteed to fit! 4 Bonus Washers and 3 Round files and Whole Tool Kit: This is everything you need to install and sharpen the blades to save some bucks here and there from having your local shop do it for you. Premium Quality and Decent Performance – Made with fine-grade, heat and rust resistance carbon steel. When it comes to durability, our blades replacements guarantee to increase the parts’ lifecycle by at least 50%. Cuts Like Butter: Our blades are great at cutting and pruning as you don’t have to put lots of pressure during the process, unlike other brands. Our blades are also approved by the mechanic to ensure the quality meets or exceeds the OEM and they help cut through thick weeds and brush in your back yard or other landscaping jobs. Customer Trust Brand: It’s our job to make dependable and durable blades replacement and we do it right! Count on AR-PRO!