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- USA
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Helical Steel Spring Kit with WeightsThe Helical Steel Spring Kit includes a 1kg and 0. 5kg plated steel mass and a coil spring with an eye on each end. Use a retort stand to support the spring and test Hooke's law by adding the masses individually or together. Measure with a ruler or tape measure and check the mass for better results. Kit Includes: 1 x Tension spring 1 x Mass, large, 1 kg, with single hook 1 x Mass, small, 500g, with 2 hooks *for Hookes Law Experiment Brand: IEC Read
The Helical Steel Spring Kit includes a 1kg and 0.5kg plated steel mass and a coil spring with an eye on each end. Use a retort stand to support the spring and test Hooke's law by adding the masses individually or together. Measure with a ruler or tape measure and check the mass for better results.
Kit Includes:
- 1 x Tension spring
- 1 x Mass, large, 1 kg, with single hook
- 1 x Mass, small, 500g, with 2 hooks
*for Hooke’s Law Experiment
Brand: IEC
| Product Code | Item | Weight | Description |
| SE.MF1910-001 | Helical Steel Spring Kit | 0.33 kg | 100mm (L) x 175mm (W) x 160mm (H) |
| SE.PA1910-002 | Spring without Weights | ||
| SE.PA1910-003 | Weight Only | 0.5 kg | with hook on each end |
| SE.PA1910-004 | Weight Only | 1 kg | with hook on one end |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 887 reviews
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Product Reviews
★★★★★ 5
Quality as promised.
Color: Rustic Montana, Size: 10.5" x 7" x 1.5"
Nice ! I am very pleased with this product. I like that its American made. The size is actually just right for what I needed. I will buy other products from this company when ready.
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Reviewed in the United States on February 11, 2026
★★★★★ 4
Great item, BUT…
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5", Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Do I love it? Yes.
Is it well made? It certainly appears to be.
Is the leather thick? Yes, I’d say definitely thick and sturdy.
Do I like the color (Bootlegger Brown)? Of course I do, it’s gorgeous.
It seems very well made. The corners are secured with black fasteners, which I think are going to better than the buttons in the long run that I’ve seen on others. It’s was this brand, or Hide and Drink for me. I went with these guys because it’s U.S. made, and hopefully American sourced leather.
I bought the Large. My concern was that the XL might be too large for my nightstand. I measured it out and everything. However, I was not counting on the length and width to be measured from the end of the pinched corners, so I was a little disappointed about the size of the useable surface area. It’s not a big deal, but I wish that I’d have just spent the extra $5 and got the XL. If I we’re to get another, I definitely go with the XL unless you just want something on the smallish side, but still I suspect that they are larger that what most others are offering. At least these guys give you a choice of options.
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Reviewed in the United States on March 31, 2023
★★★★★ 5
Valet Tray Worth the Price
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Product well packaged and is exactly as advertised. Great quality and workmanship. Bought for my husband and he really likes it.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Awesome EDC Organization
Color: Avalanche Gray, Size: 11.5" x 8" x 2"
Awesome! Great addition to the nightstand to keep stuff organized
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Reviewed in the United States on May 14, 2026
★★★★★ 5
It holds all my gear and looks fantastic!!
Color: Rustic Montana, Size: 11.5" x 8" x 2", Color: Rustic Montana, Size: 11.5" x 8" x 2"
I wanted something to hold EVERYTHING. In the pic - 2 wallets, tactical flashlight, 2 personal bluetooth speakers, 2 pairs of Beats, chap stick, pocketknife. Missing are my reading glasses but they typically will fit in there too even in their protective sleeve. This would make a great gift and the leather is excellent feel and look. This is the Extra Large size and i am happy i went with the bigger one as i almost didnt. Wife thought it was a great purchased but mad that she didnt get the chance to gift it to me for Father's Day or birthday!! LOL
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Reviewed in the United States on April 9, 2024