Quick Verdict
When a spring snaps in a retractable pen, a measuring tape, or a small garage mechanism, having a box of mixed compression springs can turn a frustrating pause into a quick fix. The trade-off is choosing between two assortments that look almost identical at first glance. The 390-piece kit comes with more springs and more sizes, while the 380-piece kit is a bit easier on the wallet. For a workshop drawer that should cover as many situations as possible, the 390-piece kit is the stronger candidate. If you prefer a smaller, more common-size selection, the 380-piece kit is a practical starting point.
Comparison at a Glance
| Product | Listed Price | Price Bar |
|---|---|---|
| 390 Piece Compression Spring Assortment Kit | USD 10.90 | |
| 380PCS Stainless Steel Compression Springs Assortment Kit | USD 10.51 |
Where Each Product Wins
- The 390-piece compression spring assortment wins for variety: 390 springs across 28 sizes. That wider range means you are more likely to have the size you need when a pen spring or small mechanism gives out.
- The 380-piece stainless steel assortment has the lower listed price at $10.51, compared to $10.90 for the 390-piece kit.
Product Notes
390-Piece Compression Spring Assortment
This kit gives you 390 stainless steel compression springs in 28 different sizes, which is the higher piece count of the two options here. The wire diameters step through 0.3mm to 0.8mm, and the free lengths and outer diameters are included, so you can look for the right fit before you open the case. It comes in a reusable compartmentalized case with labeled sections, so sorting a messy drawer is simpler than keeping separate bags of loose springs. One thing to keep in mind: slight magnetism may occur from the manufacturing process. If you plan to use these around sensitive magnetic components, that could be a reason to choose a different set. If not, the added size variety is a genuine advantage for general repairs. With 28 sizes to pull from, you are less likely to need a special trip to the hardware store for that odd-sized spring.
380-Piece Stainless Steel Spring Assortment
This Ladinka kit contains 380 stainless steel springs in 23 sizes, with wire diameters from 0.3mm to 0.7mm. It is a smaller, more focused assortment for everyday fixes like retractable pens, measuring tapes, door handles, and model-building. The springs come pre-sorted in a compact case with easy-to-read labels, so grabbing the right size is quick. The limitation is the narrower range: 23 sizes max out at 0.7mm, so if you need a spring with a wire thickness above that, you will have to turn to the 390-piece kit or another product. For jobs that stay within small spring territory, this kit gives you a no-fuss way to have spare parts on hand. Because the sizes are all on the smaller end, it can be a good entry-level assortment for hobbyists who only work with light-duty springs.
Final Choice by Use Case
If your priority is having the widest selection of compression springs ready for whatever breaks, the 390-piece kit is the more versatile choice. If you want a set of common spring sizes, the 380-piece kit covers the essentials. Think about the projects you typically take on: if you frequently repair pens, small toys, or car parts, the 390-piece kit's extra sizes give you more room to find a match. If your projects stay within a small range of sizes, the 380-piece kit's streamlined selection is a convenient option.
