Specification Brand : Trimmers Parts BulletPoint1 : Compatible Models: Weed Trimmer Head Fit for Stihl Autocut C3-2 Weeding Head FAS 57 FSE 52 Weed Eater, Dual Line Trimmer Head Replace 4009 710 2106 BulletPoint2 : Convenient Line Refilling: Weeding Head uses 2mm double nylon line, not easily prone to breakage, it features an automatic line adjustment function, making the replacement of the line spool easy. The cutting line can be refilled from the outside without opening the casing, reducing downtime and enhancing user convenience BulletPoint3 : Automatic Line Extension: With a simple tap on the ground, the Weed Trimmer Head automatically extends the cutting line, making lawn mowing and thinning tasks more convenient and efficient BulletPoint4 : Hand Grip Contour: The casing is designed with a professional grip contour to ensure the trimmer head is securely attached to the machine. It allows for easy manual loosening and tightening of the trimmer head, making lawn cleaning more efficient BulletPoint5 : Widely Applications: Spool Insert with Thread can be used to trim lawns, sparse grass or for agricultural purposes, which can be widely used in home gardens, large parks or farms. Please NOTE that the item generates significant centrifugal force and operates at a high cutting speed so we recommend wearing protective eyewear and long pants while using ExternallyAssignedProductIdentifier1 : 633457620301 ExternallyAssignedProductIdentifier2 : 0633457620301 ItemName : (New Part) String Trimmer Head Compatible with Shindaiwa Shindaiwa C242 T3000 T242X T262 78890-30000 + Free E-Book About Lawn ItemPackageDimensions_Height : 12.0904 centimeters ItemPackageDimensions_Length : 5.7912 centimeters ItemPackageDimensions_Width : 8.7884 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : string-trimmer-replacement-parts Manufacturer : LMPNWPRTSS174 Material : Nylon ModelNumber : Replace 4009 710 2106 PartNumber : Replace 4009 710 2106 PowerSourceType : manual ProductDescription : String Trimmer Head Compatible with Shindaiwa Shindaiwa C242 T3000 T242X T262 78890-30000 SupplierDeclaredDgHzRegulation : not_applicable