Specification Brand : Lawnmowers Parts BulletPoint1 : SRM-210, SRM-210I, SRM-210SB, SRM-210U, SRM-225, SRM-225I, SRM-225SB, SRM-225U, BulletPoint2 : it can fit up to .155" line. These heads fit ALL ECHO straight shaft trimmers, BulletPoint3 : This head is a Echomatic pro trimmer head. This head comes pre-loaded with 0.95" diameter ECHO line. BulletPoint4 : BEFORE THE PURCHASE , IF YOU HAVE ANY QUESTIONS ABOUT THE MODEL, SPEC AND SERIAL NUMBERS , PLEASE SEND US A MESSAGE BulletPoint5 : FREE EBOOK - which will be emailed to you within 24 hours of your purchase. Color : See picture ExternallyAssignedProductIdentifier : 8432290834393 ExternallyAssignedProductIdentifier1 : 0669583894170 ExternallyAssignedProductIdentifier2 : 669583894170 FuelType : Gasoline ItemDisplayWeight : 0.2 kilograms ItemName : New 21560031 Genuine ECHOmatic Pro Trimmer Head Echo String Trimmers SRM-265 SRM-266 + Free ebook - Your Lawn & Lawn Care - ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 32 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : string-trimmer-replacement-parts ItemTypeName : Carburetor Manufacturer : Lawnmowers Parts Material : Steel and Rubber ModelName : SAKITAM ModelNumber : 80479 PartNumber : 80479 ProductDescription : This head is a Echomatic pro trimmer head. This head comes pre-loaded with 0.95" diameter ECHO line. it can fit up to .155" line. These heads fit ALL ECHO straight shaft trimmers, (this includes, but is not limited to) SRM-210, SRM-210I, SRM-210SB, SRM-210U, SRM-225, SRM-225I, SRM-225SB, SRM-225U, SRM-230, SRM-230U, SRM-260, SRM-260S, SRM-261, SRM-261S, SRM-265, SRM-266,SRM-311S, SRM-340, SRM-400U ProductSiteLaunchDate : 2018-03-09T17:40:10.913Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 WarrantyDescription : Warranty for 90 days from the dates of purchase