Specification Brand : Traverse Creek Incorporated BulletPoint : WIDELY FITMENT:This 6 teeth steel razors trimmer head & 3 teeth brush cutter blade has a 1-inch(25.4mm) hole in the center, which is suitable for most straight shaft gas trimmer with 1 inch(25.4mm) gear case. There are two different adapters that can be used for more models of lawn mowers. BulletPoint1 : Genuine Original Equipment Echo/Shindaiwa Part. Meets all quality control standards required by Echo. BulletPoint2 : Replaces worn or damaged parts to new condition BulletPoint3 : Direct fit replacement for models and serial numbers in description BulletPoint4 : ✅ FIX YOUR BROKEN TRIMMER: Our 511010601 Trimmer Head will fix the most common problems of your trimmer such as stuck trimmer head, the trimmer does not spin, or the threads stripping. These are signs that your trimmer head needs changing and our product is exactly what you need BulletPoint5 : ✅ EXTREMELY DURABLE: It is made from hard and sturdy metal and impact-resistant plastic that promises great durability while reducing the risk of breaks or cracks. The material combination is optimized for a prolonged lifetime BulletPoint6 : ✅ Color : As Pictured CompatibleWithVehicleType : Truck ExternallyAssignedProductIdentifier : 3491254122964 ExternallyAssignedProductIdentifier1 : 0706919831437 ExternallyAssignedProductIdentifier2 : 706919831437 Hazmat1 : DANGEROUS GOODS IN APPARATUS Hazmat10 : DE_Unregulated Hazmat11 : EG_Unregulated Hazmat12 : ES_Unregulated Hazmat13 : FR_Unregulated Hazmat14 : GB_Unregulated Hazmat15 : IN_Unregulated Hazmat16 : IT_Unregulated Hazmat17 : JP_Unregulated Hazmat18 : MX_Unregulated Hazmat19 : NL_Unregulated Hazmat2 : UN3363 Hazmat20 : PL_Unregulated Hazmat21 : SA_Unregulated Hazmat22 : SE_Unregulated Hazmat23 : SG_Unregulated Hazmat24 : TR_Unregulated Hazmat25 : US_Unregulated Hazmat26 : ZA_Unregulated Hazmat3 : 9 Hazmat4 : AE_Unregulated Hazmat5 : AU_Unregulated Hazmat6 : BE_Unregulated Hazmat7 : BR_Unregulated Hazmat8 : CA_Unregulated Hazmat9 : CN_Unregulated IncludedComponents : 1 IsAssemblyRequired : 1 ItemDisplayWeight : 75 grams ItemForm : liquid ItemName : Traverse Creek Incorporated Genuine Echo Heavy Duty Metal Fixed LINE Trimmer Head 99944200225 ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : string-trimmer-replacement-parts ItemTypeName : UPGRADED 511010601 Trimmer Head Manufacturer : Traverse Creek Incorporated Material : Metal ModelName : 511010601 Trimmer Head ModelNumber : 511010601 PT104 PT-104 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : B-3-58 99944200225 PowerSourceType : manual ProductDescription : Quality replacement part ProductSiteLaunchDate : 2023-10-08T03:04:08.456Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 2