DIY Ready Handy Compression Spring Set 0.4mm Wire Diameter 4mm Outer Diameter 25mm Length 10 Pack 304 Stainless Steel Small Extension Springs for Pens and Home Shop Repairs

Compact Compression Spring Set: 0.4mm wire, 4mm OD, 25mm
✔️ 0.4mm wire, 4mm OD, 25mm length; 10 pcs, 304 stainless

These tiny compression springs are made from 304 stainless steel and come in a 10-pack. They’re ideal for pens, electronics, gadgets, tools, 3D printers, and small DIY projects commonly done in home shops.

✅ Wire diameter: 0.4 mm; outer diameter: 4 mm; compressed length: 25 mm
✅ Material: 304 stainless steel small extension springs with good elasticity
✅ Pack size: 10 springs per set
✅ Easy to install with simple tools for quick repairs

💡 What is a small compression spring used for in DIY projects and precision assemblies? A handy answer to guide your choice.
- Used in pens, gadgets, small machines, and DIY repairs
- Provides defined force and travel in tight spaces
- Works with compatible pins, levers, and housings

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