MRO Field Guide

300mm Compression Spring vs Goo Better 305mm Black Spring: Which One Fits Your Fasteners Job?

Need a 300mm or 305mm compression spring? See how the $3.69 various-size spring and $85.63 Goo Better black spring compare on length, price, and wire range.

Last updated Aug 17, 2026

Quick Verdict

Two compression springs sit at opposite ends of the price scale. The Compression Spring Various Size sells for $3.69, while the Goo Better Compression Spring Black sells for $85.63. Both are new, open-end springs made from spring steel, and both land near the 300mm length mark. The cheaper option offers a straightforward single coil; the costlier one spells out its size range in detail. If you want a low-price spare for a simple fasteners, springs, and industrial hardware job, choose the $3.69 spring. If you need defined sizing guidance, choose the Goo Better spring.

At a Glance

Compression Spring Various SizeCompression Spring Black
PriceUSD 3.69USD 85.63
Price bar
Length300mm305mm
End TypeOpenOpen
MaterialSpring steelSprings steel
Notable detailsSingle-spring packWire 0.3-6mm; outer diameter 3-50mm

Where Each Product Wins

  • Compression Spring Various Size: It wins when you want an affordable, straightforward single coil without needing to match a specific wire diameter. Keep it as a spare or use it for a quick repair.
  • Goo Better Compression Spring Black: It wins when you need explicit coil dimensions rather than a generic single coil. The defined range gives a more confident match, and the fatigue-resistance focus suits repeated compression.

Product Notes

Compression Spring Various Size

Compression Spring Various Size 2-42mm Diameter & 300mm Length Pressure Small

The Compression Spring Various Size is the easy spare to have around. It's a single spring packed in a self-sealing bag with carton packaging, so it's tidy to store in a drawer or parts bin. Because its sizing stays simple, it's easy to grab whenever you just need a coil. Its main limitation is that you're getting exactly one spring per pack. If a project needs several coils at once, you'll need to order more than one unit. For a simple, small-scale spring need, this is the practical choice.

Goo Better Compression Spring Black

Compression Spring Black 0.3-6mm Wire Diameter Small Springs Steel 305mm Length

The Goo Better black spring is the one to pick when you want the sizing spelled out. It gives a wire diameter range of 0.3-6mm and an outer diameter range of 3-50mm, so you can match a specific coil more confidently. It also offers high plasticity and fatigue resistance, which matters if the spring will see repeated compression in industrial hardware work. The brand name gives you a consistent label to reference, and the specification-first approach removes guesswork. The trade-off is that the listed range stops at 6mm wire and 50mm outer diameter, so a heavier-duty coil outside those numbers isn't covered by this option. If your work stays inside that range, this is the more precise pick.

Final Choice by Use Case

Think about whether the job is a one-off repair or a recurring assembly task. For one-off repairs, the Compression Spring Various Size keeps things simple. For recurring tasks where coil size has to be right every time, the Goo Better Compression Spring Black gives you a spec to rely on. Choose the first when you want a low-cost spare; choose the second when exact coil sizing matters most.

Products in this article
Compression Spring Various Size 2-42mm Diameter & 300mm Length Pressure SmallUSD 3.69View on eBayCompression Spring Black 0.3-6mm Wire Diameter Small Springs Steel 305mm LengthUSD 85.63View on eBay
Compression Spring Various Size 2-42mm Diameter & 300mm Length Pressure SmallUSD 3.69View on eBayCompression Spring Black 0.3-6mm Wire Diameter Small Springs Steel 305mm LengthUSD 85.63View on eBay

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