Feature:1. Replacement Part Number: This is a perfect replacement accessory for chainsaw, the OEM is 1125 640 1701, can replace damaged original part directly.2. Applicable Model: This replacement clutch is suitable for Stihl 026 024 MS260 MS270 MS280 MS271 MS291 MS240 lawn mower chainsaw.3. Premium Iron Material: Made from premium iron material, sturdy and strong, with good wear resistance, can prolong the service life.4. Professional Parts: Professional manufactured, with standard size and good structure design, simple and convenient for installation.5. Wide Usage: Applicable to a wide range of fields, such as agriculture, fishery, animal husbandry, aquaculture, forestry, etc.Specification:Item Type: Chainsaw Sprocket ClutchMaterial: IronApplicable Model: Suitable for Stihl 026 024 MS260 MS270 MS280 MS271 MS291 MS240 Chainsaw 1121 160 2051Uses: Applicable to a wide range of fields, such as agriculture, fishery, animal husbandry, aquaculture, forestry, etc..Package List:1 xChainsaw Sprocket Clutch1 x Shell5 x Accessories