Ten Pack Heavy Duty Steel Extension Springs Three Eighths Inch By Twelve Inch With 0.047 Inch Wire Dual Hook Tension Springs For Machinery Repair Industrial Equipment Screen Doors And Heavy Duty Projects Must Have

12-Inch Dual-Hook Tension Springs, 10-Pack
✔️ 12-inch length, 0.37 in OD, 0.047 in wire, dual hooks

These 12-inch extension tension springs are built from nickel-plated spring steel for durability. They’re designed for heavy-duty use in machinery, industrial equipment, gates, screen doors, furniture, and automotive repairs where reliable tension matters.

✅ 10-Pack value set for long-term projects
✅ Length 305 mm (12 in); Outer diameter 10.10 mm (0.37 in); Wire 1.2 mm (0.047 in)
✅ Nickel-plated spring steel for corrosion resistance and fatigue durability
✅ Dual-hook ends for quick, secure installation on eyelets and mounts
✅ Suitable for machinery, industrial equipment, gates, screen doors, furniture, appliances, and automotive repair
✅ Note: size variations ±3 mm due to manual measurement

💡 What is a common use for heavy-duty extension springs in industrial equipment?

They’re handy for maintaining consistent tension, absorbing shocks, and guiding motion in tough systems.

• Heavy-load handling in machinery and production lines
• Secure, easy mounting with dual-hook ends
• Made from nickel-plated spring steel for durability
• Good for repairs, DIY projects, gates, and appliances