Naniwa Professional P-350 #5000 Grit Japanese Whetstone

Sale price$216.00 Regular price$247.00
  • Naniwa Professional P-350 #5000 Grit Japanese Whetstone
  • Economical alternative to the popular Naniwa Chosera range
  • Available in 8 different grits for versatile sharpening
  • Upgrade from the Naniwa Super Stone series
  • Require light soaking for 7-12 minutes to be ready for sharpening

The Naniwa Professional P-350 #5000 Grit Japanese Whetstone is a part of the Professional series, offering an affordable alternative to the renowned Naniwa Chosera range. These stones are designed for versatile sharpening and are available in 8 different grits, providing a wide range of options for your sharpening needs.

As an upgrade from the Naniwa Super Stone series, the Professional series offers improved performance and durability. The P-350 stone requires a light soaking for approximately 7-12 minutes to prepare it for sharpening. It is important to avoid extended soaking time as it can degrade the stone.

  • Level of Abrasion: Fine Grit (#5000)
Model Naniwa Professional P-350
Grit #5000 (Fine)
Material Magnesium Resin with White Aluminium Oxide
Whetstone Size 210 x 70 x 20mm
Weight 820g
Base Loose stone / No base
Soaking Type Splash & Go
Stone Type Professional Sharpening Stone / Whetstone
Origin Made in Japan
  • 1x Naniwa Professional P-350 #5000 Grit Japanese Whetstone

The Naniwa Professional series of stones may develop a dish after frequent usage. To maintain the stones and keep the surface flat for a longer lifespan, we recommend using a lapping plate. Consider options such as the Jende Industries Glass Lapping Plate, Atoma Diamonds Plates, or the Shapton NAORU cast iron lapping system for this purpose.


  • FREE Standard Delivery Over $200
  • FREE Customer Pick-Up (Syd Only)
  • Same day dispatch until 2PM AEST (Mon-Fri)

Delivery Area

Sydney, Wollongong, Newcastle, ACT, Central Coast, Adelaide
Melbourne, Geelong, Ballarat, Bendigo
Brisbane, Sunshine Coast, Gold Coast, Hobart
Perth, Darwin
Rest of Australia


2-4 Days
2-4 Days
2-4 Days
5-10 Days
7-12 Days


Next Day
Next Day
Next Day
3 Days
5 Days


Same day dispatch until 2PM AEST (Mon-Fri)

*Delivery estimates provided by Australia Post

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Customer Reviews

Based on 6 reviews

Highly efficient operation


Versatile and user-friendly design


A game-changer for sharpening

Karen S

Exceptional Value for Money

Penny G

Exceptional user satisfaction

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