Features: 1. Replacement Part Number: This is a replacement accessory for chainsaw. OEM number 1125 640 1701. Designed to replace damaged original parts directly. 2. Applicable Model: This replacement clutch is compatible with Stihl 026, 024, MS260, MS270, MS280, MS271, MS291, MS240 chainsaws. 3. Iron Material: Constructed from iron material for durability and strength. Offers good wear resistance to help extend service life. 4. Professional Parts: Professionally manufactured with standard dimensions and reliable structural design. Simple and easy to install. 5. Wide Usage: Suitable for various applications including agriculture, forestry, and landscaping. Specification: Item Type: Chainsaw Sprocket Clutch Material: Iron Compatible Models: Stihl 026, 024, MS260, MS270, MS280, MS271, MS291, MS240 Chainsaws OEM Number: 1121 160 2051 Usage: Designed for use in agricultural, forestry, and outdoor power equipment applications Package List: 1 x Chainsaw Sprocket Clutch 1 x Shell 5 x Accessories