Nickel Extras

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Dual intent with compact convenience, the Double Sided Diafold sharpener offers two 4″ x 1″ diamond whetstone surfaces in one lightweight, portable sharpener. Multi-use on blades, kitchen knives, special line of work and garden tools, etc. Extra-Fine diamond (9 micron / 1200 mesh) to polish and finetune a razor edge after sharpening with a coarser diamond. Fine diamond (25 micron / 600 mesh) for a razor sharp edge. Convenient size: 9 1/2″ open. 5″ closed. Folding plastic handles protect sharpener when not in use. Sharpens in a fraction of the time required by conventional stones. No messy oils needed–sharpen arid or with water. Durable construction will provide years of consistent performance and authenti service For proper tool maintenance, woodworkers, chefs and other masters rely on the superior quality and skillfulness of DMT products. Made in USA.

Nickel Extras

DIAMOND DOUBLE SIDED SHARPENER *9-1/2″ open, 5″ closed *Polycarbonate base *Dot pattern keeps diamond surface clean *Color coded handle folds to protect stones

Did you know that over 600,000,000 persons suffer from nickel allergy? Did you know that nickel allergy is on the rise?

As allergy to nickel becomes more and more mutual persons are ofttimes left looking for an substitute metal to wear. One metal that is often times proclaimed to be nickel free is sterling silver. But is it actually safe?

In general, Sterling Silver is 92.5% silver, and 7.5% of “something else”. The tremendous majority of the time that “something else” is copper. Copper is nickel free and has the right remainder of color, durability and cost to make it the number one choice by raw sterling manufacturers. However… tin, boron, lithium, germanium, zinc, platinum, indium and (to a much lesser extent) nickel may all be found in that 7.5%, too!

Another problem is that the formula for sterling silver is not static; it is always being refined to give it better properties. Want your sterling silver to tarnish a little slower? Add germanium. In fact, here is an example (from a sterling silver formula patent application) of what these exotic sterling alloys might consist of:

92.5% silver, when it comes to 0.5% copper, regarding 4.25% zinc, with regards to 0.02% indium, regarding 0.48% tin, when it comes to 1.25% of a boron-copper alloy containing in regards to 2% boron and with regards to 98% copper, and when it comes to 1% of a silicon-copper alloy containing when it comes to 10% silicon and with regards to 90% copper.

When you look at the example above you may have noticed the absence of nickel. The good news is that it is very strange for sterling silver to incorporate nickel anymore.

In fact, we contacted Kevin Whitmore of Rio Grande Jewelry Supply, one of the biggest and most valued suppliers of raw materials for the jewelry industry. We asked Mr. Whitmore if it was a mutual exercise to see nickel used in sterling silver production and he said “It would be very strange these days. There has been a flight away from having nickel in sterling silver for a few years now.” He went on to add “In fact, there is in truth no economical gain to using nickel as there are better, and less expensive, materials that may be alloyed in.” Another reason he gave was the ban on nickel in Europe. “Who wants to make jewelry that they can’t trade in sure places?”

As Mr. Whitmore mentioned, Europe has a rigorous ban on nickel. In 1991 Denmark introduced regulation to badly restrict the use of nickel in jewelry and accessories. It was only a short time before a dramatic drop in nickel allergy was noticed in the population. Due to the success of Denmark’s ban, all of Europe followed suit with similar regulation in 2000. For this reason it makes sense for the manufacturers of sterling silver pellets and sheets (which are purchased as raw material by jewelers) to keep nickel out of the fabricating routine of raw sterling silver.

What could be the problem (besides the remote prospect the silver in truth holds nickel) is that the jewelry piece could be plated with nickel. Sterling silver have a tendancy to wear and tarnish over time. There was a time when it was not not common for makers to plate their pieces with nickel to give it a long lasting shine.

Also, rhodium is at times used (a fellow member of the platinum group) to plate sterling silver to give it the look of white gold. Unfortunately, rhodium does not stick effortlessly to silver so another metal is ofttimes used to coat the silver and the rhodium is plated over that “glue” metal. What is a very standard metal for that “glue” process? You guessed it, nickel. The problem is that rhodium is somewhat brittle and may form microscopic cracks. Now the underlying nickel may get moist from your skin and leech out nickel salts. All of a sudden you have an allergic reaction to sterling silver, which is in truth the underlying nickel causing the rash.

So what does it all mean?

Since there seems to be no economic gain to using nickel, and since regulation limiting the use of nickel is spreading, you in truth ought to put sterling silver on your list of safe to wear items. We commend buying goods online at jewelry stores that promote “nickel free” since they ought to be extra sensible to the subject when sourcing their products. Their rhodium will have to use a “glue” metal other than nickel; their sterling silver ought to be sourced nickel free. To confuse things even more there are a few dissimilar names used for sterling silver like:

  • Argentium Silver: This silver holds germanium to protest tarnish and will have to be nickel free.
  • Alpaca Silver, German Silver, Paktong and New Silver: These are genuinely dissimilar names for Nickel Silver, a silver type that, as the name suggests, will likely incorporate nickel. These types of silver will have to be avoided!

In addition, when shopping, undertake to stay clear from older pieces that may have been formulated when nickel plating was a more mutual exercise and always shop where your “satisfaction is guaranteed or your cash back”!

All metals have the potential to trigger an allergic reaction, even titanium, silver and, on very rare occasions, 24k gold. While nickel is the main culprit in metal allergy, and accounts for as much allergy as all other metals combined, be conscious that humans may be allergic to more than one metal at a time! Patient experimentation is the only solution if you suffer from a metal allergy. Follow the tips in this article and you will soon be living a fashionable, nickel free life!


Nickel Extras

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Nickel Extras

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Nickel Extras

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Nickel Extras

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Most helpful client reviews

50 of 51 people found the following review helpful.
5There may be better sharpeners out there, but I’m not looking any further.
By jimnypivo
There are a heap of blade sharpener schemes on the market; and you may spend a finelooking penny auditioning and finding the one that suits your needs. There are carbide sharpeners, Arkansas wet stones, oilstones, butcher’s steels, ceramic rod systems, sharpening sticks, and even motorized sharpeners.

15 of 15 people found the following review helpful.
5This is a handy sharpener!
By a cooking enthusiast
This product is great…easy to store, easy to use, very portable…the cover is built in. Due to the high quality diamond surface it sharpens much quicker than a regular sharpener, it doesn’t require any further and added oils(just water if you want to), just rinse off the polka dot pattern of what’s left from sharpening and you’re done. It’s handy to have around the house to do a ‘quick few strokes’ to sharpen whatsoever tool you occur to be using. The sharpener has 2 grits built in. I like that it’s made in the US.

11 of 11 people found the following review helpful.
5Sharpening tool, little and compact.
By Igor Perchuk
Love this product. Have been using it for a in regards to 6 month now. It works fast and I was capable to get the feel for sharpening my henkel and wusthof kitchen knives. I even fetch this with me when I go over to my relatives. They love their knives when I am done with them. Takes a little getting employed to sharpening by hand, but once you do there is no turning back. I now keep all my knives razor sharp. Two dissimilar grades of the stone are fantastic. I would unquestionably commend this product.

See all 44 client reviews…

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