1.【Durable Material】: This product is made of manganese steel, which is known for its high strength and good durability.It is specially designed to resist wear and extend the life of the product. 2.【Excellent cutting effect】: The chain has undergone heat treatment, which allows it to cut various materials smoothly.It has extremely high chip resistance, ensuring efficiency and safety during use. 3.【Widely applicable】: This product is suitable for STIHL 009 012 021 E180 MS180 MS190 MS250 HT70 models.It is therefore very versatile and can be used with a variety of tools. 4.【Package Contents】: The package contains 1 guide rod and 2 chain saw parts.This gives you everything you need to start working straight away. 5.【Convenient and Effective】: With its sturdy design and excellent cutting effect, this product is not only convenient to use, but also will help you work more efficiently and safely.