Copper hook masses

Marsoni

M251S

$49.40

Get it in 3 business days with 1 day shipping. Friday, May 29

Copper hook massesSet of nine weights includes: 10g 20g 50g 100g 200g 500g 1000g. These weights feature flat countersunk bottoms, with a double ended hooked rod through the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Weights are made of polished brass and come in a storage block. Premium Quality: Kit is made of high quality, heavy duty and durable materials. Designed for use in professional laboratories but is an ideal

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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If there was an option for ZERO stars that would be this. Within 5 minutes my little 11 pound Havanese had all the ears off, then out came the stuffing. He had the little dog, and a green duck. I had to take the duck away to sew it….then he still had studding everywhere…and that was the little dog. Throwing stuffing and pieces away….I should have put these right back in the bags they came in. In no way ate these even chew “resistant “!!!! Probably just look good onna shelf.👎👎

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Reviewed in the United States on April 10, 2026

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Sassafras

New York, US

★★★★★ 3

Not quite "indestructible"

Color: Green+Brown

These toys are so cute! But, they are NOT for aggressive chewers! 15 minutes and they were ruined. But for kinder chewers...they are adorable.

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Reviewed in the United States on April 15, 2026

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