Specification Brand : Homelite BulletPoint : Sold on Amazon BulletPoint1 : PRODUCT DETAILS String Trimmer Spool Head Assembly,part# N575441 The following models are replaceable: CMCST960E1 Type 1 CMCST920M1 CMCST910M1 CMCST900D1 CMESTE920 CMESTA900 CMCST98020E1 BulletPoint2 : INCLUDES (1) Line Spool, Housing and Cap BulletPoint3 : 100% new parts,manufacturer carefully designed and produced with high-quality materials, sturdy, compact, durable, and excellent performance,enhance the working efficiency of the tools BulletPoint4 : Use our replacement parts to adapt installation, reduce the risk of zero detachment during operation, and easily upgrade your tools BulletPoint5 : Thank you for trusting our replacement parts to ensure seamless replacement of damaged parts. We kindly request that you carefully inspect the appearance of the parts in the photos and compare them with the provided dimensions to ensure they are suitable Color : black and red ExternallyAssignedProductIdentifier1 : 704660044861 ExternallyAssignedProductIdentifier2 : 0704660044861 ItemDisplayDimensions_Height : 1.13 inches ItemName : Homelite UT-21506 - UT-21907 (3 Pack) .080 Spool Assembly - 308044006-3PK ItemPackageDimensions_Height : 1.13 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : string-trimmer-spools Manufacturer : Techtronic Industries ModelName : Carry-on Trailer ModelNumber : COT1080 NumberOfItems : 3 PartNumber : 308044006 PowerSourceType : manual ProductDescription : Includes (3) 308044006 Line & SpoolsNew, Bulk PackedGenuine OEM replacement partConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibility Compatible with : Homelite: UT-21506, UT-21907 Mightylight ProductExpirationType : Does Not Expire SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 3 UnspscCode : 56101600