Material: Manganese Steel. Color: Red+Black. Blade type: 65Mn blade Blade Teeth: 3/4/5/6 Mounting Hole Diameter: Approx. 25.4mm/1inch. Diameter: Approx. 11cm/4inch. Height: Approx. 6cm/2.36inch. Features: 1,Made of high quality metal material, sturdy and durable, providing a long life service. 2,High hardness, sharper and more durable,easy to install and convenient to use. 3,Double-sided cutting edge - 360° no dead angle cutting. 4,The blade is freely retractable in the case of resistance such as stones. 5,More uniform cutting - more thorough weeding. 6,A practical replacement accessory for your trimmer. 7,Perfect for garden or agricultural use. 8,Suitable for all trimmers that accepts 25.4mm blades. Package Included: 1 x Brush Cutter Trimmer Blade Note: Please allow 1-5mm errors due to manual measurement. Due to light and screen setting difference, item's color may be slightly different from the pictures.