How to secure tension springs and keep your fingers safe

Figuring out how to secure tension springs properly is the difference between a successful DIY repair and a sudden, dangerous snap that sends metal flying across the room. These springs are everywhere, from your garage door to backyard trampolines and even small mechanical levers, and they all share one common trait: they store a massive amount of energy just waiting for a chance to escape. If you've ever seen a spring let go under pressure, you know it's not something you want to experience firsthand. ...

February 5, 2026 · 7 min · Elaco Blatt