1.【Durable Material】: Our product is made of manganese steel, known for its high strength and exceptional durability.It is a material that ensures the longevity of the tool. 2.【Excellent Cutting Effect】: Thanks to its heat treatment, our chain is able to smoothly cut a variety of materials.It also has extremely high resistance to fragments, ensuring work efficiency while ensuring user safety. 3.【Widely Applicable】: This product is designed to be compatible with a variety of models, including STIHL 009, 012, 021, E180, MS180, MS190, MS250, HT70, Cisea, providing a wide range of applications. 4.【Package Contents】: Each package contains 1 guide rod and 1 piece of chain saw, providing everything you need to start working. 5.【Ease of Use】: With its simple and effective design, our product is easy to install and use, saving time and improving work efficiency.