diameter of the body

length

diameter of the head 

nomber

inch

mm

inch

mm

inch

mm

0.083"

2.1

1-1/4"~2"

32~50

3/16"

4.8

400PCS/COIL

0.900"

2.3

1-1/2"~2-1/4"

38~57

5.3

350PCS/COIL

0.099"

2.5

1-3/4"~2-1/2"

45~64

5.8

300PCS/COIL

0.113"

2.87

1-1/4"~3"

57~75

1/4"

6.3

250PCS/COIL

0.120"

3.05

2-3/8"~3-3/4"

60~90

9/32"

7.1

250PCS/COIL

0.131"

3.33

3"~4"

75~130

9/32"

7.1

120PCS/COIL