Premium 8 Inch Deep Tilling Blade (12 Pieces) is built from high-quality mild steel for superior durability and performance. These center rotary blades, each 8 inch (20.3 cm) long, 24 mm wide, and 9.5 mm thick, are specifically engineered for 5 to 12 HP petrol and diesel power tillers or weeders. The set delivers deep, uniform tilling, powerful soil mixing, and easy bolt-on installation for heavy-duty farming and land preparation.