ITEM NAME:Manganese Steel Lawn Mower Blade Garden Brush Cutter Grass Trimmer Head #gib Store Home Promotion Hot Item Add to Fav.Material: Manganese steel. 1 X Lawn Mower Blade. 65Mn blade has high hardness, sharper and more durable. It is very suitable for garden or agricultural use. Blade Length: 6cm/2.36". Vehicle Parts & Accessories.