Compatiblity: for Stihl FSA 57, FSE 52 Weed Eater String Trimmer Size: for FSA 57 Replacement Spool, With .080" (2 mm) Diameter Nylon Line, Replace 4009 710 4305, 4009 710 4306 Feature: for FSA 57 Replacement Spool unwinds easily with push of bottom button and easy to install. Suitable for Lawn Trimming/ Around Trees/ Between Shrubs Along Edges/ Walls and Fences Note: You need to check the serial number of the FSA 57 string trimmer. Only fit for FSA 57 trimmers starting with serial number 5XXXXXXXX. All FSA 57 with serial numbers 9XXXXXXXX are not for this spool WHAT YOU WILL GET: What you buy is not only a product, but also a whole set of our after-sales service. Any questions, just one contact, we will always be there for you ➤Features:
Replacement Spool comes pre-wound with .080 (2 mm) diameter nylon line.
Made of high-qua-lity ABS plastic and polyamide nylon cord, ensuring durability and resistance to breakage.
Replacement Spool unwinds easily with push of bottom button and easy to install.
Suitable for Lawn Trimming, for Around Trees, for Between Shrubs Along Edges,for Walls and Fences.

➤Replace parts:
C3-2 Replacement Spool:
4009 710 4305
4009 710 4306
for AutoCut C3-2 Trimmer Head
C3-2 Replacement Cover:
4009 710 4304

Notice:
You need to check the serial number of the FSA 57 string trimmer.
Only fit for FSA 57 trimmers starting with serial number 5XXXXXXXX.
All FSA 57 with serial numbers 9XXXXXXXX are not for this spool.

Not Genuine! Aftermarket Replacement Offered by BLUE ELF, BRAND ASSURANCE!