ITEM NAME:5T Blade Manganese Steel Lawn Mower Garden Brush Cutter Grass Trimmer Head #gib Store Home Promotion Hot Item Add to Fav.Material: Manganese steel. Sawtooth blade, mowing faster. 65Mn blade has high hardness, sharper and more durable. It is very suitable for garden or agricultural use. Vehicle Parts & Accessories. Tool handle length: about 65mm/2.56".