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Skivisions 4" (100mm) Ceramic Stone

Skivisions 4" (100mm) Ceramic Stone

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NEW! SkiViisons SkiSharp stones now available in 4" (100mm) sizes for use in other edge guides. Measuring 4" x 1" x 7/32" (100 x 26 x 6mm), these excellent stones are a great option for your everyday edge tuning needs,

Ruby 180 grit Sharpening Stones.  Ruby aluminum oxide is the highest quality aluminum oxide grain and it has a characteristic much like a good quality diamond. When the grain fractures, it creates a new, sharp point ready to do more work.  We have found they are the perfect inserts for sharpening skis.

Although we say they are 180 grit, the grit number really isn't important or relevant because the grit is internalized and not on the exterior of the stone.  Normally the grit refers not just to the grain size but it is also represents how high the grit is raised from the face of the stone.  We didn't want to produce a sharpening stone with changing grit; we internalized it so that it always remains the same, no matter how many times you re-fresh the stone with a diamond file (see Maximizing the Life of the Inserts below).  In fact, both the grit size and their manufacturing process is proprietary.

These stones are meant to sharpen skis, a true alternative to files.  The Tuning Stick can demonstrate just how effective the Ruby Sharpening Stones really are, and since they are polishing the edge while sharpening it, fine edge metal finish is maintained.

The Ruby Sharpening Stones are also meant for polishing rock damaged edge sections and removing edge hardness caused by hitting the rock.

Since stones polish, they don't have a cut direction and the tool can be used in any direction on the edges.  When using them, start under-foot with about five back and forth passes, then start working your way out towards the ends of the ski continuing a back and forth polishing motion.

The Ruby Sharpening Stones only work if you continually adjust the stones to a fresh section of stone.

Green Stones.  The green stones are aggressive silicon carbide stones that love to eat hard metal.  THEY ARE NOT POLISHING STONES.  They have very specific purposes.

NEW SKIS.  See the index regarding tuning new skis. These stones are for working edges that have been hardened at the ski factory from misuse of the tuning equipment.
HARD SNOW. When you want your edges sharper than you are getting with the 180 grit ruby stones but you don't want to go to the extra steps involved with going to the files and subsequent polishing routines.  The finish we like for hard snow is sharpen with the green stones, polish with the ceramic stones, and that is it, this combination works great!

Polishing Stones.  The purpose of polishing stones is to allow you to progressively polish your edges to finer finishes.  Polishing metal is done in progressive steps to maximize the results, hence progressive grits.  The following are the polishing stones, their grits and purposes:

CERAMIC STONES.  New this year (2010) are the SkiVisions ceramic stones.  We designed them to polish and de-burr like no other stone available to ski tuners.  They are truly unique in their function.  And like all of our stones, they can be re-dressed over and over again.  If you are only going to buy one polishing stone, make sure it is the ceramic.

350 GRIT RUBY POLISHING STONES.  These stones are the first polishing step, and can also be used as sharpening stones for skiers in places like Utah and Colorado when the snow is soft. The grit is internalized so it does not change as the stone is re-dressed.

Order individually or as a set. Be sure to keep them in top form for years of use with the SkiVisions Diamond File.


Product ID SKV4CER
List Price: $20.00
Price: $21.49
27.52 CAD 18.34 EUR 28.36 AUD
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