VBSYBO FSA 57 Trimmer Head Compatible with Stihl FSA 57 FSA57 FSE52 FSE 52 String Trimmer FSA 57 Replacement Spool 4009 710 2106 Weed Eater Head C3-2 - FSA57 FSE 52

• Fitment Model: FSA 57 trimmer head compatible with Stihl string trimmer FSA 57 (2020 on）FSE 52 (2020 on) with serial numbers starting with "5", FSA 57 with serial numbers starting with "9" are not compatible with this spool Replaces OEM: 4009 710 2106, C3-2, it's made of PA6, heavy-duty plastic material to ensure durability and long-lasting Versatile Use: C3-2 dual-line trimmer head with 8mm x 1.25 LHF bolt adapter size for lawn trimming and mowing large areas of grass and weeds,around trees, between shrubs, along edges, walls and fences Easy to Install: FSA57 trimmer head easy spool, semi-automatic, dual line cutting head for trimmers, easily loads by inserting line into eyelets and twisting the knob C3-2 Trimmer Head Easy Spool: You can reload the 2.0mm / .080'' trimmer line easily without disassembling the head, double Line for trimming and mowing Package Include: 1pc C3-2 dual line trimmer head