Package Includes: The package includes 4 cutting sleeves and 4 springs, which can meet your daily replacement and storage needs. High quality materials: Made of ABS and carbon steel, durable, long service life, good stability, impact resistance, cold resistance and oil resistance.<br> Unique Design: After special design, the edge can last longer on the rough surface.<br> Aerodynamics can reduce noise and pipe jitter. Unique Design: After special design, the edge can last longerlong on the rough surface. Aerodynamics can reduce noise and pipe jitter.<br> Easy to Install: Easy to install and save the cost of buying a new mower. Ideal for decks, lawns, yards, gardens, crops, landscaping, landscaping, etc.<br> Multiple Uses: Compatible with Black + Decker afs gh400, gh500, gh600, cst1000, cst2000, nst2018, st7000, st6600 and st7700 trimmer models.<br> It is suitable for agriculture, animal husbandry, aquaculture and forestry.<br> : -Made of high quality ABS + carbon steel, good stability, impact resistance, cold resistance and oil resistance. - Simply put the cover on the valve body, the spring makes it difficult to fall off. -RC-100-P replaces the bobbin cover used to use the auto-feed bobbin thread cutter. -<br> It provides protection for the coil to keep it from getting dirty.<br> -The pool cap is very small, lightweight and easy to carry. Specifications:<br> Material: ABS + carbon steel<br> Note:<br> 1. Due to the light and screen setting difference, the color of this item may be slightly different from the picture.<br> 2. Due to different manual measurement methods, please allow a slight difference in size.<br> Delivery Quantity: 4set<br> Product color: orange<br> Product size: 85*32mm, 2.1*37mm