Chef'sChoice Diamond Hone 478 Instructions Download Page 1

INSTRUCTIONS

Congratulations! By selecting the innovative  
Chef’sChoice

®

 Manual Diamond Hone

®

 

sharpener, you will be able to enjoy the 
pleasure of knives that are sharper and stay 
sharp longer than those you may have sharp-
ened using conventional manual sharpeners.

Before you begin . . .

The Chef’sChoice

®

 Manual Diamond Hone 

sharpener is “ambidextrous” - extremely easy 
to use whether you are a right- or left-handed 
person. Stages 1 and 2 are marked on both 
sides of the sharpener for your convenience. 
Place the sharpener on a level surface about 
waist high. Hold the handle with your left hand 
(if right-handed) making certain that your left 
index finger and thumb remain safely in the 
recessed area of the handle. (If left-handed, 
see Suggestions on other side of sheet.)

CAUTION! Keep all fingers clear of the 

knife blade at all times.

Make certain the blade is clean, then 

proceed as follows:

1. Sharpening - Stage 1

Holding the knife in the right hand, place the 
blade in the first slot (marked number 1) and 
center the blade left to right in the slot.  While 
continuing to keep the blade centered in the 
slot, move the blade back and forth in the 
slot along the entire blade length.

It is unnecessary to lift the blade after  

every stroke. Apply only light downward  pres-
sure on the blade and continue the back and 
forth action until the blade is sharp. Stage 1 
creates a first bevel along the edge. Unless the 
knife is very dull, it will take less than 25 full 
back-and-forth strokes to sharpen in Stage 
1. Do not proceed to Stage 2 until the edge 
is very sharp. It should for example, be sharp 
enough now to cut paper well (see Testing).

2. Honing - Stage 2

To hone the sharpened edge to razor 
sharpness, move the blade to the slot of 
Stage 2. This hones by creating a second 
“micro-bevel” along the edge. Maintaining 
the blade centered left to right in the slot, 
move the blade back and forth. Apply little 
to no downward pressure on the blade. If 
the blade is sharpened adequately in Stage 
1, only a few, (less than 10), strokes will be 
necessary in Stage 2.

Testing for sharpness

Try slicing a tomato or other food before 
you sharpen your knife. Then test the knife 
periodically during sharpening until you 
achieve the sharpness you desire. Ideally, 
a well sharpened knife should slice cleanly 
through food without excessive force and 
without crushing it.

* To test periodically for sharpness, hold a sheet of paper by 

its edge and carefully slice through it, making sure you cut 

a short but safe distance from your fingers. A sharp blade 

will cut smoothly without tearing the paper.

Diamond Hone

®

 Manual 

Knife Sharpener 2 Stage 

Model 

478

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