KNKPOWER 2pk 10" 40 Teeth Carbide Blades for Brush Cutter, Trimmer, Weed Eater Blade, Bore 1" Description The carbide tipped blades are made of high carbon steel and carbide tips. They probably fit any garden trimmer, brush cutter or weed eater that comes with 1" (25.4mm) or 7/8" (20mm) arbor. Please refer to the owner’s manual of your trimmer / brush cutter / week eater and our product description to determine whether our blades will fit your tools. Always be sure that the blades are installed securely. Always equip yourself with helmet, long boots, safety goggles and other safety gear during working. Features: Product Details: Brand: KNKPOWER Cutting Width: 10 Inches Assembly Required: Yes Package Dimensions: 10.75 x 10.28 x 0.47 inches Item Weight: 1.92 pounds Is Discontinued By Manufacturer: No