Made of high-quality manganese steel, precision shaped, high temperature and low pressure sintered, and more dur&able. This 2-tooth blade effectively improves your work efficiency, saves time and effort, and is practical. The manganese steel mower has two-tooth blades that are anti-oxidation, not easy to ru&st, smooth, easy to operate, and reliable to use. The cutting part of the trimmer blade is flat, smooth, without burrs, no barbs, thickened. This weed eater blade works great at cutting down and mulching brush like blackberries bushes, vines, weeds, densely grass, oak, or bramble on your property., Manufacturer: DongDong store