5 In. X 5/16 In. Extension Spring (2 Count)

Discover the Century Spring 5 in. x 5/16 in. Extension Spring—a compact, high-strength tension spring sold as a two-pack for versatile projects. This part features a 5/16 inch outer diameter and a 5 inch length, optimized for space-constrained assemblies. Made from durable spring steel, it delivers consistent force through repeated use, making it ideal for repairs, upgrades, and new builds. Whether you're a pro technician or a DIY enthusiast, you’ll appreciate reliable performance and straightforward installation. It's designed to withstand frequent cycling in applications ranging from hobby machines to small garage systems.

Benefits Paragraph: This extension spring provides steady, controllable tension to keep mechanisms operating smoothly, reduce wear, and extend equipment life. The two-pack arrangement ensures you always have a ready spare for quick maintenance and project builds.

• Exact sizing for a precise fit—5 inch length with a 5/16 inch outer diameter supports accurate tension in extension-spring applications
• Sturdy .034 inch wire diameter delivers durable strength and resilience in loading cycles
• Generous travel with up to 5.44 inches of extension for flexible operation across tools and machines
• Safe working load rated at 4.91 pounds, ensuring dependable performance under typical use
• Convenient two-pack in polybag packaging for organized storage and easy replacement

Why this extension spring stands out: This component blends precise dimensions with robust construction and practical packaging, making it a versatile choice for garage doors, automotive components, and general machinery. Engineered to maintain consistent tension through demanding cycles, it supports reliable operation and long service life.