The OEM NOS STIHL Spring 4002-997-2500 is a high-quality replacement spring designed specifically for STIHL chainsaws. Made in the United States, this gas-powered spring comes in a pack of one units. Perfect for outdoor power equipment enthusiasts, this spring is compatible with various STIHL models, ensuring a reliable and efficient performance for your yard, garden, or outdoor living space. Trust the STIHL brand for top-notch chainsaw parts and accessories.