The 46mm Cylinder Piston Assembly for STIHL 029 039 MS290 MS310 Chainsaw by Hippotech is a high-quality replacement part for 2-stroke gasoline chainsaws. This silver-colored cylinder piston is compatible with STIHL chainsaws and comes as a single unit. It is designed specifically for the 029 039 model chainsaws, providing a reliable and durable power source for outdoor cutting tasks. Perfect for DIY enthusiasts or professional landscapers, this cylinder piston assembly ensures smooth operation and efficient performance.