Synthetic Water Whetstone for Knives and Tools 70 x 20 mm

Synthetic Water Whetstone for Knives and Tools 70 x 20 mm
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Whether you are maintaining your gear at a historical campsite or sharpening tools in your workshop, a reliable sharpening stone is essential. This compact synthetic whetstone features an open-pore structure and homogeneous particle distribution, ensuring consistent and high-performance sharpening. Its size makes it an excellent portable tool for quick touch-ups on pocket knives, daggers, or craft tools. You don't have to be a master swordsmith to appreciate the edge this water stone can put on your blades. Further product information ...

On order - order now and goods will be dispatched on: 6-Feb-2026
3,10 €
2,56 € excl. VAT

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SKU: 40707
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Synthetic Water Whetstone for Knives and Tools 70 x 20 mm

Versatile Uses Around Home and Garden

Don't let its small size fool you; this stone is incredibly useful for everyday tasks beyond historical reenactment:

  • Kitchen: Quickly touch up small paring knives or fruit knives.
  • Garden: Ideal for sharpening pruning shears (secateurs) and grafting knives, as the small stone can easily follow curved blades.
  • Workshop: Use it to restore the edge on wood chisels or plane blades.
  • General Use: Perfect for scissors, fishing knives, or mushroom picking knives.

How to Use

This is a water stone, meaning it is designed to be used exclusively with water. Do not use oil, as it will clog the pores and ruin the stone's effectiveness. Follow these steps for the best results:

  • Submerge the stone in water for 10 to 15 minutes before use. Wait until air bubbles stop rising.
  • Keep the stone wet throughout the sharpening process. Sprinkle more water on it as needed.
  • The slurry (mud) that forms on top helps the grinding process; do not wash it off immediately.
  • While excellent for Japanese blades, this stone is versatile and suitable for most types of steel knives and tools.

Specifications

Material Synthetic abrasive
Structure Open-pore
Recommended Medium Water
Estimated Grit approx. 240 – 400 (Medium)
Dimensions 70 x 20 mm (approx. 2.76 x 0.79 inches)

Historical Context

Historically, a soldier's kit was never complete without a whetstone. From Roman legionaries to medieval longbowmen (who needed to sharpen arrowheads and utility knives), carrying a sharpening stone was a matter of survival. While our ancestors relied on natural stones found in riverbeds or quarries, which could have inconsistent grit, this modern synthetic stone offers uniform quality. It represents the evolution of a tool that has been critical to humanity since the Bronze Age.

Care Instructions

To ensure your whetstone lasts a long time, rinse it with clean water after use to remove metal filings. Allow it to dry completely in a well-ventilated area before storing it in a box or pouch. Storing a wet stone can lead to mold or structural weakness. Also, be careful not to drop it, as synthetic stones can crack or shatter upon impact with hard surfaces.

Safety Warning

Sharpening involves handling sharp edges on a wet, slippery surface. Always place the stone on a non-slip base (like a damp cloth or a rubber mat) to prevent it from moving. Keep your fingers clear of the cutting edge and focus on your angle to avoid injury.

Would you like me to recommend a suitable maintenance oil to protect your blade after sharpening?

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