Specification AutoPartPosition : front Brand : VIABRICO BulletPoint1 : Compatible: for Stihl FS36, FS40, FS44, FS55, FS55C, FS55R, FS55T, FS56, FS56C, FS56R, FS70, FS72, FS74, FS75, FS76, FS80, FS83, FS85, FS87, FS90, FS90R, FS94, FS100, FS110, FS110RX, FS120, FS130, FS200, FS240, FS250, FS260, FS460, FR85, FR85T, FR130T, FR220, FR350, FR450, FR480, FR410C, FR460TC, FSA90, FSA90R, FSE65, FS-KM. BulletPoint2 : Two Different Adapter Kits: Blade Adapter Attachment Kit: 1 x Thrust Washer(10 teeth)/ 1 x Rider Plate/ 1 x Collar Nut(0.315inch inside diameter)/ 1 x Screwdriver. Blade Adapter Kit: 1 x Thrust plate guard washer (6 teeth)/ 1 x Thrust washer/ 1 x Rider plate/ 1 x Lock nut(0.3inch inside diameter). BulletPoint3 : kit bag: Two different sets of adapters can basically meet the needs of weed trimmer. The 2 different inside diameter of collar nut is 0.315inch and 0.3inch. If you need to replace the blades, you must buy these sets of parts. Perfect kits for your string trimmers. BulletPoint4 : Quality Material: blades kit is made of high quality carbide tipped material. Sharper and more durable, impact and wear resistance. Easy to use and install, suitable for organizing your garden or for agricultural purposes. BulletPoint5 : Easy to Install: Replace the string spool on the trimmer for the stihl blade adapter kit. The blade fit tight and there was very little vibration. Besides, can through Youtube videos to use it. Adapter Attachment Washer Plate Maintenance Kit Replacement For STIHL String Trimmers 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 : white black CompatibleMaterial : Carbon Steel CompatibleWithVehicleType : Trailer CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 714216919291 ExternallyAssignedProductIdentifier2 : 0714216919291 ExternallyAssignedProductIdentifier3 : 0764560353265 ExternallyAssignedProductIdentifier4 : 0764560204277 FitType : Vehicle Specific Fit IsAssemblyRequired : 1 ItemLength : 2 feet ItemName : VIABRICO Brush Cutter Blade Adapter kit, Trimmer Attachments for Stihl String Trimmers Brush Cutter ItemPackageDimensions_Height : 15.494 centimeters ItemPackageDimensions_Length : 4.0894 centimeters ItemPackageDimensions_Width : 8.9916 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : string-trimmer-replacement-parts ItemTypeName : blade adapter kit Manufacturer : VIABRICO Material : Steel ModelName : blade adapter kit 8pcs ModelNumber : BAK8P-01 MountingType : Rails NumberOfItems : 15 OeManufacturer : Echo,Stihl PackageLevel : unit PartNumber : SP-8P-0001 PowerSourceType : kit ProductDescription : blade adapter kit ProductSiteLaunchDate : 2015-12-09T11:06:35.147Z Size : 8PCS Style : for Stihl String Trimmers Brush Cutter SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 8