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Rf

(mm)

(inch) about

Weight in g

Gold

TBF0

2.5

3/32"

0.13

TBF1

3.0

1/8"

0.24

TBF2

3.5

9/64"

0.33

TBF3

4.0

5/32"

0.45

TBF4
4.5
3/16"
0.65

 

nymphe2-tung-faced.jpg

nymphe-tung-faced.jpg

Click to enlarge the photo

Photo by J-P Dessaigne.