Brush Cutter Blades Weed Eater Blade: These cutter weed eater blades has a 1-inch(25.4mm) hole in the center, which is suitable for most straight shaft gas trimmer with 1 inch(25.4mm) gear case.The brush cutter kit and universal fit adapt to vary brands.Four sizes of weed trimmer blades with adapters to meet daily needs and replacement Package Included: The carbide blade adapter kit contains two sets,The First kit is Blade adapter attachment kit :1 x Thrust Washer(10 teeth)/ 1 x Rider Plate/2 x Collar Nut/ 1 x Screwdriver/ 2 x L-Wrench/ 1 x T-Wrench/ / 2 x washer. The Second is Blade Adapter Kit: 1 x Thrust plate guard washer (6 teeth)/1 x Thrust washer/ 1 x Trimmer Head Cover/1 x Trimmer Locknut/ 2 x washer/1 x glove Premium Material: The trimmer brush cutter blade are crafted from high-quality manganese steel. The carbide-tipped blades and carbon steel brush cutter blades offer exceptional hardness and long service life, which is sharper, impact resistant, and wear-resistant. Each is treated for anti-corrosion to keep your blade safe Easy to Install: This weed eater blades is easy to install on the trimmer with the blade adapter kit. The installation is tight and there is almost no vibration. Please check your models before buy, make sure the blade fit your model Wide Application: This 9" x 20T Chainsaw Tooth Cutter,10" x 80T Carbide Tip Brush Blades , 9’’ x 36 Teeth Chainsaw Tooth Steel Brush Cutter Blades, 10"x3T Cutter Weed Eater Blades suitable for use on straight shaft trimmers, cutters, or weed eaters with an arbor size of 1 inch (25.4mm) or 20mm.Trimmer brush cutter blade replacement blade for stihl brush cutter blade, for Forester brush cutter blade, for Husqvarna brush cutter blade, for Oregon brush cutter blade, ect Can be used for more models of lawn mowers