Specification: Material: Manganese Steel Power Grass Trimmer Head Easy Cutting for Brush Cutter, Double-sided cutting edge 360° no dead angle cutting The blade is freely retractable in the case of resistance such as stones. More uniform cutting more thorough weeding The trimmer head is made of high quality metal material, sturdy and durable, providing a long life service. high hardness, sharper and more durable. Easy to install and convenient to use. A practical replacement accessory for your trimmer. Perfect for garden or agricultural use. Package Included: 1 x 6 Teeth Metal Blades Trimmer Head We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!