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MAGCRAFT Magnets - 1/2" Rare Earth Cube, Package of 4 | 
 enlarge | Brand: Magcraft
Category: Office Product
List Price: $9.99
Buy New: $8.95
You Save: $1.04 (10%)
New (2) from $8.95
Rating:  7 reviews
Sales Rank: 714
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 0
Dimensions (in): 0.5 x 0.5 x 0.5
MPN: NSN0607
Model: NSN0607
UPC: 875661000078
EAN: 0875661000078
ASIN: B000N9IVK4
Availability: Usually ships in 1-2 business days
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| Features:
| • | Neodymium Iron Boron (NdFeB) Rare Earth Magnets | | • | Grade - N40 | | • | Dimensional Tolerance - +/-0.005 Inch | | • | Package of 4 Magnets | | • | 0.5" Length x 0.5" Width x 0.5" Thick (Inches) |
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| Editorial Reviews:
Product Description
Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These cube magnets are 0.5"(12.7mm) Long x 0.5"(12.7mm) Wide x 0.5"(12.7mm) Thick. They are magnetized through the thickness. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 24 lbs. Maximum working temperature is 176 F (80 C). Magnets may chip and crack if allowed to snap together.
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| Customer Reviews: Read 2 more reviews...
Very strong magnets December 21, 2008
Paul Pavao (Selmer, TN)
These magnets are as amazing as everyone says. It is extremely difficult to separate two of them. Not everyone can do it. They're great for fascinating the kids. I've have them for at least a couple weeks, and my 10-year-old son was playing with them yesterday. He had one under our two-inch thick wood table and one on top, and he was moving the one on top around (really). They're great for holding thick objects on the fridge, and they're not as hard to pull of the fridge as they are to separate from each other. The force will amaze you, and we have had blood blisters from a person getting them too close and having them snap together. Mine have been played with extensively, and there's only a couple chips, so they're not that brittle.
Impressively Strong October 18, 2008
Leonard Barshack (New York City)
Damn they are strong. Kinda fund item to have. Never really understood magnetism, and now that I have these, I still have no clue how magnetism works. But I do have fun playing with these :)
Excellent magnets August 19, 2008
Chris Hann (Alameda, CA United States)
1 out of 1 found this review helpful
I bought these for holding a magnetic knife rack onto a fridge, but also ordered the 1/2" x 1/16" round types which work better because I need 3/8" to come flush with the housing.
We have not had any problem with chipping, no signs of fragility, but they are very strong. Our fifteen year old finds them extremely difficult to separate, the adults just find it hard work. With damp hands I can't remove them from the fridge, and even dry I have to rock them to break the hold.
They come in a double walled tube which is just sufficient to keep them from sticking to everything and messing with any ferrous metalwork they come close to.
Good to play with, but be careful round credit cards, CRT monitors, and anything else that is susceptible to magnetic fields.
 Pretty cool magnets August 4, 2008
Austin Smith (San Diego, California)
1 out of 1 found this review helpful
I bought these magnets in hope of holding down some parts when I take apart airsoft guns, they are basically mini air compressors. They did not hold anything down, but they are very strong. They crack and chip very easily, just simply attempting to break them apart from each other results in breaking them. But they are very strong.
super strong April 20, 2008
J. Cruz
1 out of 1 found this review helpful
these are very strong magnets
they stick together through your palm pretty easily when new and can stick through your wrist
i recommend you wrap them in some sort of tape because they do slam into each other/other metals and chip
these are strong and you will have a lot of fun messing around with your friends with them
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