The Genuine Stihl Worm 3/8 inch (9.5 mm) Picco 7-tooth component is an essential drive part for Stihl chainsaws, ensuring smooth and efficient chain operation. Crafted from durable metal, this component is designed for long-lasting performance, effectively transmitting power to a 3/8 inch Picco (low-profile) chain. As a direct-fit replacement for worn or damaged parts, the Genuine Stihl Worm is perfect for maintaining precise chain movement during regular use. Keep your chainsaw running at its best with this reliable and high-quality component.