Features： 1、Replacement Part Number: This is a 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、 Iron Material: Made from 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 Clutch Material: Iron Applicable Model: Suitable for Stihl 026 024 MS260 MS270 MS280 MS271 MS291 MS240 Chainsaw 1121 160 2051 Uses: Applicable to a wide range of fields, such as agriculture, fishery, animal husbandry, aquaculture, forestry, etc. Package List： 1 x Chainsaw Sprocket Clutch 1 x Shell 5 x Accessories