Specification AutoPartPosition : front Brand : LEAFLEX BulletPoint1 : Replaces: 638016003 BulletPoint2 : Package Included: 2 Pcs String Trimmer Line Cut Off Blade, Screw accessories are not included and need to be purchased by yourself. BulletPoint3 : String Trimmer Blade Compatible with Homelite RY15523A RY15523AVNM String Trimmer BulletPoint4 : String Trimmer Blade Compatible with Homelite / Ridgid / Ryobi String Trimmer BulletPoint5 : The blades undergo multiple rigorous inspections and reviews to make them hard and unbreakable, and the product is coated with black protective paint to protect the blades from rusting easily. BulletPoint6 : Hipa specializes in offering replacement and maintenance parts for a wide rang of outdoor power equipment enjoyed by those with a passion for DIY projects BulletPoint7 : Compatible with ECHO SRM-2100 SRM-2100SB SRM-2110 SRM-2400 SRM-2410 Trimmer / Brushcutter,GT-2000 GT-2000EZR GT-2000SB GT-2000R GT-2400 Grass Trimmer,PE-2400 PE-2000 Edger,PP-1200 PP-1250 PP-1400 PP-800 PPF-2100 PPF-2110 PPT-2100 PPSR-2122 Power Pruner BulletPoint8 : Double-checking your engine's model and part numbers before making your purchase is an important step to avoid any complications with your engine repairs. BulletPoint9 : Package include 8 pcs air filters.Size: 2-5/8" X 2-5/8", 1/4" hole Color : Clear white CompatibleMaterial : Carbon Steel CompatibleWithVehicleType : Trailer CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 764560353265 ExternallyAssignedProductIdentifier2 : 764560204277 ExternallyAssignedProductIdentifier3 : 0764560353265 ExternallyAssignedProductIdentifier4 : 0764560204277 FitType : Vehicle Specific Fit ItemLength : 2 feet ItemName : LEAFLEX 2 Pack 638016003 Line Cutting Blade/Trimmer Line Knife Cutter for Homelite RY15523A RY15523AVNM String Trimmer, String Trimmer Line Cut-Off Blade ItemPackageDimensions_Height : 12.8016 centimeters ItemPackageDimensions_Length : 2.794 centimeters ItemPackageDimensions_Width : 10.1092 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : string-trimmer-replacement-parts ItemTypeName : echo primer bulb replacement for string trimmer weedeater blower Manufacturer : LEAFLEX Material : Grass ModelName : echo primer bulb replacement for string trimmer weedeater blower ModelNumber : HM23 MountingType : Rails NumberOfItems : 15 OeManufacturer : Echo,Stihl PackageLevel : unit PartNumber : HM23 PowerSourceType : gasoline ProductDescription : 2 Pack 638016003 Line Cutting Blade / Trimmer Line Knife Cutter for Homelite RY15523A RY15523AVNM String Trimmer, String Trimmer Line Cut-Off Blade ProductSiteLaunchDate : 2015-12-09T11:06:35.147Z Size : 2 feet each Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 8