Heavy Duty Steel Mechanical Extension Spring For Mouse Cage 10 Pack Dual Hook Tension Springs 7mm OD X 0.8mm Wire Built To Last Door Closure Component Resistant To Bending And Wear

Heavy Duty Steel Extension Spring Kit - 10 Pack Dual Hook
✔️ 7mm OD x 0.8mm wire, steel dual-hook, door closure

This heavy duty steel extension spring is designed to snap cage doors securely shut. A handy replacement part for mouse cages and small animal enclosures, it stands up to moisture and outdoor conditions.

✅ Pack size: 10 springs per package
✅ Size: 7mm outer diameter, 0.8mm wire
✅ Material: steel dual-hook tension spring
✅ Environment: moisture and weather resistant
✅ Quiet action: near-silent closure

💡 What is a cage door extension spring used for? This handy part keeps enclosures secure with simple installation.

- door closure for cages and enclosures

- reliable tension for smooth operation

- corrosion resistant steel for outdoor use

✝️