Restores proper recoil function by ensuring consistent nail firing compatible with Paslode F350-21, PF350S and Duo-Fast DF350S framing nailers. Maintains long-lasting tension with a high-quality design that resists fatigue and wear. Withstands heavy-duty use with durable construction built for demanding job site conditions. Ensures a precise for seamless compatible with Paslode F350-21 and PF350S models. Simplifies replacement process with an easy-to-install design that minimizes downtime. The Superior Parts SP 502026 is a high-quality aftermarket ribbon spring designed compatible with Paslode F350-21, PF350S, and Duo-Fast DF350S framing nailers. This essential replacement restores proper recoil function, ensuring smooth and consistent nail firing. Engineered for durability, it withstands repeated use in demanding job site conditions without losing tension or performance. Precision-manufactured for a secure, it seamlessly integrates with your nailer for reliable operation. A cost-effective solution trusted by professionals to maintain peak tool efficiency.