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Japanese Fishing Line Size

When it comes to fishing line, not all them are created equal.

Japanese fishing line size explained

When it comes to the fishing line, not all companies create it equally or specify its size uniformly. 

There are more than 70+ companies manufacture fishing line in Japan alone, not to mention other countries.

VARIVAS brand, Morris Company Ltd., is one of only 27 companies in Japan, that as a member of  JAFTMA (Japan Fishing Tackle Manufacturers Association) follows JAFTMA  industry guidelines and specifications agreed to create high-quality and reliable products.

VARIVAS is committed to putting fair and accurate products into the hands of anglers. 

JAFS Standard Size

VARIVAS – Morris Company, like many Japanese fishing tackle manufacturers, has adapted the universal industrial standard called JAFS standard for Japanese fishing line size (diameter) to promote fair, transparent, and high-quality products for consumers.

VARIVAS follows the rules when it comes to quality.

The VARIVAS brand parent company Morris Co., Ltd. is one of 27 companies that have officially agreed to uphold rules and standards specified by the JAFS standard. The pride of our quality is essential to VARIVAS for building Angler’s trust.

 About 号 =Go/Goh/Gou 

Should you trust the number on the package?

In Japan, fishing line diameter, gauge/number, is referred to as “号” (pronounced and written in Latin/English script conversion as “Go/Goh/Gou”). However, “号” as a suffix, simply means “number,” along with other meanings in Japanese. It does not follow any universal conversion standard except in the case of terms agreed upon by the member of JAFTMA (Japan Fishing Tackle Manufacturers Association) and its specific JAFS size specification.

If a manufacturer is not a member of JAFTMA they may or may not follow the rule specified

With VARIVAS products, you can always trust the markings including the size, diameter of the line and weight capacity.

We say what we mean.

 

Nylon, Fluorocarbon, Polyester Fishing Line

JAFS – D1051100

Nylon, Fluorocarbon, Polyester Line standard diameter

The upper and lower diameters shall not exceed the designated diameters of the number below and above. The actual diameter should be as close as possible to the designated diameter.

JAFS Gauge # Diameter (mm) Diameter Inches JAFS Gauge # Diameter (mm) Diameter Inches
0.1 0.053 0.0021 8 0.47 0.0185
0.15 0.064 0.0025 10 0.52 0.0205
0.2 0.074 0.0029 12 0.57 0.0224
0.25 0.083 0.0033 14 0.62 0.0244
0.3 0.09 0.0035 16 0.66 0.0260
0.35 0.097 0.0038 18 0.7 0.0276
0.4 0.104 0.0041 20 0.74 0.0291
0.5 0.117 0.0046 22 0.78 0.0307
0.6 0.128 0.0050 24 0.81 0.0319
0.8 0.148 0.0058 26 0.84 0.0331
1 0.165 0.0065 28 0.87 0.0343
1.2 0.185 0.0073 30 0.91 0.0358
1.5 0.205 0.0081 40 1.05 0.0413
1.75 0.22 0.0087 50 1.17 0.0461
2 0.235 0.0093 60 1.28 0.0504
2.25 0.248 0.0098 70 1.39 0.0547
2.5 0.26 0.0102 80 1.48 0.0583
2.75 0.274 0.0108 90 1.57 0.0618
3 0.285 0.0112 100 1.66 0.0654
3.5 0.31 0.0122 110 1.74 0.0685
4 0.33 0.0130 120 1.81 0.0713
5 0.37 0.0146 150 2.03 0.0799
6 0.405 0.0159 200 2.34 0.0921
7 0.435 0.0171      

PE | Braided Fishing Line Size Specification

JAFS-D10111002 (Except diameter)

PE/Braided Fishing Line Specification

den = denier (Unit of textile measurement, linear density)
den (denier) grams (0.035 oz) per 9 km (5.6 miles) of yarn

Note:

Please be advised that the “mm/inch” diameter size is approximate. Due to the “braided/stranded” and uneven nature of the PE line, the actual diameter may vary on the line where it is measured.

JAFS Gauge # den Diameter
mm (approx.)
Diameter
inch (approx.)
0.1 20 0.054 0.0021
0.15 30 0.066 0.0026
0.2 40 0.076 0.0030
0.25 50 0.085 0.0033
0.3 60 0.094 0.0037
0.35 70 0.101 0.0040
0.4 80 0.108 0.0043
0.5 100 0.121 0.0048
0.6 120 0.132 0.0052
0.7 140 0.143 0.0056
0.8 160 0.153 0.0060
1 200 0.171 0.0067
1.2 240 0.191 0.0075
1.5 300 0.209 0.0082
1.7 340 0.219 0.0086
2 400 0.242 0.0095
2.5 500 0.270 0.0106
3 600 0.296 0.0117
4 800 0.342 0.0135
5 1000 0.382 0.0150
6 1200 0.418 0.0165
8 1600 0.483 0.0190
10 2000 0.540 0.0213
12 2400 0.592 0.0233
15 3000 0.661 0.0260
20 4000 0.764 0.0301
25 5000 0.837 0.0330
30 6000 0.966 0.0380

Metal Fishing Line Size Specification

JAFS-D122111100A

Metal Fishing Line Size Specification

JAFA Guage Diameter (mm) Diameter
Inches
JAFA Guage Diameter (mm) Diameter
Inches
0.01 0.038 0.00150 0.1 0.074 0.00291
0.02 0.042 0.00165 0.125 0.078 0.00307
0.03 0.046 0.00181 0.15 0.082 0.00323
0.04 0.05 0.00197 0.175 0.086 0.00339
0.05 0.054 0.00213 0.2 0.09 0.00354
0.06 0.058 0.00228 0.25 0.094 0.00370
0.07 0.062 0.00244 0.3 0.098 0.00386
0.08 0.066 0.00260 0.35 0.102 0.00402
0.09 0.07 0.00276 0.4 0.106 0.00417
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