Notice of Exporting Japanese Models >>
Naniwa Abrasive Mfg. Co., Ltd. produces products tailored for both domestic use in Japan and international markets. When exporting, it's essential to verify compliance with various laws, approvals, and importing country standards.
Please be aware that products designed for the Japanese market are not suitable for use overseas. As a result, we are unable to facilitate returns, exchanges, or inquiries regarding these products through overseas retailers. For assistance, we recommend reaching out to the store where the product was purchased.
We appreciate your understanding and cooperation in respecting our policy of not selling or shipping products meant for use in Japan outside of the country. Should you have any inquiries, feel free to contact us using the provided 'Contact Us' form
Diamond Stone
Diamond Stone of Naniwa.
Diamond Stone
Model No. |
Size (mm) |
Grit |
Color |
DR-7504 |
210 x 75 x 16 |
#400 |
■ |
DR-7506 |
210 x 75 x 16 |
#600 |
■ |
DR-7508 |
210 x 75 x 16 |
#800 |
■ |
DR-7510 |
210 x 75 x 16 |
#1000 |
■ |
DR-7530 |
210 x 75 x 16 |
#3000 |
■ |
DR-7560 |
210 x 75 x 16 |
#6000 |
■ |
Professional Stone
Professional-grade series of high-end stones.
Professional Stone
Model No. |
Size (mm) |
Grit |
Color |
P-304 |
210 x 70 x 20 |
#400 |
■ |
P-306 |
210 x 70 x 20 |
#600 |
■ |
P-308 |
210 x 70 x 20 |
#800 |
■ |
P-310 |
210 x 70 x 20 |
#1000 |
■ |
P-320 |
210 x 70 x 20 |
#2000 |
■ |
P-330 |
210 x 70 x 20 |
#3000 |
■ |
P-350 |
210 x 70 x 20 |
#5000 |
■ |
P-390 |
210 x 70 x 20 |
#10000 |
■ |
Super Stone
Overseas model of a high grade "Super stone" in Japan.
Super Stone S2 series
Model No. |
Size (mm) |
Grit |
Color |
S2-402 |
210 x 70 x 20 |
#220 |
■ |
S2-404 |
210 x 70 x 20 |
#400 |
■ |
S2-408 |
210 x 70 x 20 |
#800 |
■ |
S2-410 |
210 x 70 x 20 |
#1000 |
■ |
S2-420 |
210 x 70 x 20 |
#2000 |
■ |
S2-430 |
210 x 70 x 20 |
#3000 |
■ |
S2-450 |
210 x 70 x 20 |
#5000 |
■ |
S2-480 |
210 x 70 x 20 |
#8000 |
■ |
S2-490 |
210 x 70 x 20 |
#10000 |
■ |
S2-491 |
210 x 70 x 20 |
#12000 |
■ |
Super Stone S1 series
Model No. |
Size (mm) |
Grit |
Color |
S1-402 |
210 x 70 x 10 |
#220 |
■ |
S1-404 |
210 x 70 x 10 |
#400 |
■ |
S1-408 |
210 x 70 x 10 |
#800 |
■ |
S1-410 |
210 x 70 x 10 |
#1000 |
■ |
S1-420 |
210 x 70 x 10 |
#2000 |
■ |
S1-430 |
210 x 70 x 10 |
#3000 |
■ |
S1-450 |
210 x 70 x 10 |
#5000 |
■ |
S1-480 |
210 x 70 x 10 |
#8000 |
■ |
S1-490 |
210 x 70 x 10 |
#10000 |
■ |
S1-491 |
210 x 70 x 10 |
#12000 |
■ |
Coarse Stone
Useful for modifying a chipped/cracked edge to set the blade bevel as an initial step.
Coarse Stone
Model No. |
Size (mm) |
Grit |
Color |
C-102 |
210 x 70 x 20 |
#220 |
■ |
Medium Stone
Perfect for all kinds of tools to keep the edge.
Medium Stone
Model No. |
Size (mm) |
Grit |
Color |
M-208 |
210 x 70 x 20 |
#800 |
■ |
M-210 |
210 x 70 x 20 |
#1000 |
■ |
M-212 |
210 x 70 x 20 |
#1200 |
■ |
M-215 |
210 x 70 x 20 |
#1500 |
■ |
Finishing Stone
This stone is effective when used after the medium stone for polishing.
Finishing Stone
Model No. |
Size (mm) |
Grit |
Color |
F-360 |
210 x 70 x 20 |
#6000 |
■ |
F-380 |
210 x 70 x 20 |
#8000 |
□ |
Multi Stone
Good quality combination stones for multi purpose with well-balanced quality or price.
Multi Stone
Model No. |
Size (mm) |
Grit |
Color |
MS-502/510 |
185 x 65 x 30 |
#220/#1000 |
■■ |
MS-510/530 |
185 x 65 x 30 |
#1000/#3000 |
■■ |
Natural Leather Strop
After sharpening with finishing whetstone and super finishing whetstone, very sharp blade can be polished effectively with smooth leather strop.
Natural Leather Strop
Model No. |
Size (mm) |
Grit |
Color |
IU-1100 |
210 x 70 x 20 |
- |
■ |
Diamond Stone 135
Compact size of Diamond Stone. It is optimal to sharpen pocket knives or outdoor knives.
Diamond Stone 135
Model No. |
Size (mm) |
Grit |
Color |
DR-0104 |
135 x 75 x 6 |
#400 |
■ |
DR-0106 |
135 x 75 x 6 |
#600 |
■ |
DR-0108 |
135 x 75 x 6 |
#800 |
■ |
DR-0110 |
135 x 75 x 6 |
#1000 |
■ |
DR-0130 |
135 x 75 x 6 |
#3000 |
■ |
DR-0160 |
135 x 75 x 6 |
#6000 |
■ |
Pocket Pro Stone
Compact size of Professional Stone. It is optimal to sharpen pocket knives or outdoor knives.
Pocket Pro Stone
Model No. |
Size (mm) |
Grit |
Color |
PS-304 |
135 x 45 x 15 |
#400 |
■ |
PS-306 |
135 x 45 x 15 |
#600 |
■ |
PS-308 |
135 x 45 x 15 |
#800 |
■ |
PS-310 |
135 x 45 x 15 |
#1000 |
■ |
PS-320 |
135 x 45 x 15 |
#2000 |
■ |
PS-330 |
135 x 45 x 15 |
#3000 |
■ |
PS-350 |
135 x 45 x 15 |
#5000 |
■ |
Accessory
Accessories designed to enhance your experience with NANIWA stones.
Accessory Stone
Model No. |
Size (mm) |
Grit |
Color |
A-101 |
175 x 55 x 30 |
#24 |
■ |
A-102 |
175 x 55 x 30 |
#220 |
■ |
A-103 |
210 x 55 x 25 |
#220 |
■ |
Flattening Stone
Model No. |
Size (mm) |
Grit |
Color |
A-110 |
300 x 150 x 20 |
#24 |
■ |
A-120 |
300 x 150 x 20 |
#220 |
■ |
Stone Holder
Model No. |
Size (mm) |
Grit |
Color |
A-902 |
288 x 76 x 36 |
- |
■ |
Kitchen Knife sharpening guide clip
Model No. |
Size (mm) |
Grit |
Color |
A-901 |
58 x 19 x 16 |
- |
■ |
Dressing Stone
Model No. |
Size (mm) |
Grit |
Color |
A-206 |
65 x 47 x 32 |
#600 |
■ |
Rust Eraser
Model No. |
Size (mm) |
Grit |
Color |
A-903 |
50 x 40 x 20 |
- |
■ |
Leather Roll for Diamond Stone 135
Model No. |
Size (mm) |
Color |
DR-9000 |
180 x 375 x 2.5
(when it is expanded) |
■ |
Plastic Stand Box
Model No. |
Inner Capacity (mm) |
PTC-01 |
210 x 70 x 20 |
PTC-03 |
185 x 65 x 30 |
PTC-04 |
210 x 70 x 30 |
Sink Bridge
Model No. |
Corresponding whetstone size (mm) |
IZ-1111 |
Length 200 ~ 250, Width 50 ~ 100 |
*Fits sinks from 400 to 550 mm wide.