Zero BS Heavy Duty Double Hook Extension Springs 2 Pack Heat Tempered Steel Tension Springs For Pull Cords And Rigging Rock Solid Contractor Rated Hardware For Garage And Marine Upgrades

Heavy Duty Double Hook Extension Springs Two Pack
✔️ Heat tempered steel 3mm wire 30mm OD 350mm free length

Pack of two heavy duty tension springs built from heat tempered spring steel. These units feature dual curved grips that lock onto bolts, cables, and rigging hardware without slipping. Shop owners and DIY mechanics rely on them for garage door systems, marine winch setups, and industrial pull cord machines.

✅ Package includes two matching extension units
✅ Wire thickness measures 3 millimeters for solid stretch recovery
✅ Outer coil width sits at 30 millimeters for steady load distribution
✅ Extended reach at 350 millimeters handles long travel pulls
✅ Corrosion resistant finish works well in wet boat docks and damp basements

💡 Whats the most handy way to install these tension springs on a workshop rig?
These rolled coils drop straight onto any bolt frame without drilling holes. You get consistent pull back every time you crank something.
- Double bend hooks slide over clevis pins and hold tight under heavy strain
- Tempered spring steel drinks up vibration fast around loud shop motors
- Three fifty millimeter length leaves ample slack for quick swapouts

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