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SHARPAL 162N Dual-Grit Diamond Sharpening Stone (8 x 3 in)
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SHARPAL 162N Diamond Sharpening Stonekeeps every chisel and plane iron sharp

SHARPAL 162N Dual-Grit Diamond Sharpening Stone (8 x 3 in)

Reviewed by the WhyToBuyThis team · Updated September 2026 · How we choose

Perfect for

  • Chisel & plane owners
  • Hand-tool woodworkers
  • Pairs with new chisels
  • Workshop sharpening
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Price: $69.99

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  • Great gift ideaChosen for real-world gifting
  • Hand-pickedCurated, not scraped
  • Honest reviewThe catch, not just the hype

Why this gift works

The SHARPAL 162N is an 8 x 3 inch dual-grit diamond whetstone: 325 grit for reshaping and 1200 grit for a fine edge, flat to within 0.002 inch. It sits in a storage box with metal hinges and a non-slip rubber base, comes with an angle guide, and can be used dry or with water or oil. SHARPAL gives it a three-year warranty.

Sharp tools are safer and far more pleasant to use, and a diamond plate stays flat - unlike many water stones - so it keeps chisels and plane irons honed without the constant flattening. The large 8-inch size fits wide plane irons, which smaller stones do not.

Who is this gift for?

Great for

  • A woodworker whose chisels have gone dull
  • Someone who has just bought their first hand plane

Think twice if

  • They already own a full set of sharpening stones

The catch

A new diamond plate feels rough for the first few uses until it breaks in, and 1200 grit is a fine edge rather than a mirror polish - some woodworkers add a finer stone or strop.

Skip for someone with a full sharpening system already, or who only uses power tools.

Key specs

SHARPAL 162N Dual-Grit Diamond Sharpening Stone (8 x 3 in) specifications
BrandSHARPAL
Model162N dual-grit diamond whetstone
Size8 x 3 in (203 x 76 mm)
Grits325 coarse and 1200 extra fine
Flatness+/- 0.002 in
UseDry, or with water or oil
In the boxStorage case with non-slip rubber base, angle guide
Warranty3 years (maker)

Worth knowing before you buy

  • It feels rough at first and smooths with use.
  • Wipe it dry after use, per SHARPAL.

Why we like it

  • Diamond stays flat, so no constant flattening
  • Big enough for plane irons
  • Case, base and angle guide included

What to look for in a sharpening stone

  • Diamond or water stone. Diamond stays flat and cuts fast; water stones need flattening.
  • Size. An 8-inch stone handles plane irons; smaller stones suit knives and chisels.
  • Grit pair. A coarse and fine side covers repair and finishing.

Questions people ask

No - SHARPAL says it can be used dry; water or oil is optional, and the stone should be cleaned and dried after.

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