Universal Compatibility & Wide Application: Our 9’’ x 36T carbide tipped brush cutter blades come with 2 sets of universal adapter kits, perfectly compatible with Husqvarna, Stihl, Ego, Oregon, Hitachi trimmers. The 1-inch (25.4mm) center arbor fits most straight-shaft gas/electric trimmers, and with the included reducer ring, it also works for 20mm arbors—one blade set for multiple trimmer models. Premium Material & Long-Lasting Performance: Made of high-strength manganese steel with hardened carbide tipped teeth, these weed eater blades feature super hardness, wear resistance, and long service life. The heavy-duty construction easily cuts through thick weeds, brush, shrubs, and small branches, outlasting standard blades and reducing frequent replacement needs. Complete Adapter Kit & Easy Installation: We provide 2 complete different adapter sets for flexible installation: Kit 1 includes 1 x Thrust Washer, 1 x Rider Plate, 2 x different size Collar Nut, 1 x Screwdriver, 2pc x L-Wrench, 1pc x T-Wrench, 2pc x washer; Kit 2 includes 1 x Thrust plate guard washer, 1 x Thrust washer, 1 x Rider plate, 1 x Lock nut, 2 x washer, 1 x glove. No complicated tools needed—just connect to the trimmer shaft punch for quick assembly and disassembly. Smooth Cutting & Efficient Work: Precision 36-tooth design delivers clean, fast, and effortless cutting without excessive pressure. The balanced structure reduces vibration during use, making your lawn trimming and landscaping work more efficient and comfortable. Ideal for backyard, garden, and heavy-duty landscaping jobs. Safety Design & Reliable Warranty: Safety is our priority: We strongly recommend wearing boots, ankle-high shoes, jeans, and safety goggles to prevent injuries from flying debris. This blade set comes with a 1-year warranty—if you have any quality or compatibility issues, contact us anytime for a satisfactory solution. Universal Compatibility & Wide Application: Our 9’’ x 36T carbide tipped brush cutter blades come with 2 sets of universal adapter kits, perfectly compatible with Husqvarna, Stihl, Ego, Oregon, Hitachi trimmers. The 1-inch (25.4mm) center arbor fits most straight-shaft gas/electric trimmers, and with the included reducer ring, it also works for 20mm arbors—one blade set for multiple trimmer models.