Specification Brand : HUMAPYDU BulletPoint1 : 1.Replacement trimmer head for Autocut C26-2 FS 55/56/70/94/91/111/131/240. BulletPoint2 : 2.The trimmer head is especially designed with double line for mowing and thinning. BulletPoint3 : 3.The nylon line is automatically adjusted by tapping the cutting head against the ground. BulletPoint4 : 4.It is used in combination with 2.4mm line, easy to install and convenient to use. BulletPoint5 : 5.High economic efficiency, attractive in price and quality, durable for long time use. Color : black ItemName : HUMAPYDU Autocut C 3-2 Brush Head for Stihl FSA 57 and FSE 52, Jrisbo Wire Head Compatible with FSA57 FSE52 AutoCut C3-2 Spare Parts Spool, ø 2 mm (2-Pack) (2X Trimmer Head) ItemPackageDimensions_Height : 2.1 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemTypeKeyword : string-trimmer-attachments Manufacturer : HUMAPYDU ModelName : 2xFM-C3-2 ModelNumber : 2xFM-C3-2 NumberOfBoxes : 1 PartNumber : 2xFM-C3-2 PowerSourceType : gas_powered ProductDescription : Features: Super quality replacement trimmer head for Autocut C26-2 FS 55/56/70/94/91/111/131/240. The trimmer head is especially designed with double line for mowing and thinning. The nylon line is automatically adjusted by tapping the cutting head against the ground. It is used in combination with 2.4mm line, easy to install and convenient to use. High economic efficiency, attractive in price and quality, durable for long time use. Specifications: Condition: Brand New Material: Plastic Color: Shown as picture Replace OEM Number: 4002 710 2137 / 4002 710 2169 Diameter: Approx.14cm/5.5in Bottom Thread Hole Size: 10*1.0mm Fitment: Fit for Stihl Autocut FS 55/56/70/94/91/111/131/240, FS 90/130, FR 131/460 Package include: 1*Trimmer Head Size : 2x trimmer head SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 56101600