DRIVER
SIZE
L/MM
D1/MM
D2/MM
REMARK
1/4"
1/4
25
12
12
13g
1/4"
5/16
25
14
14
20g
1/4"
3/8
25
18
18
22g
1/4"
1/4
30
12
12
28g
3/8"
5/16
30
14
14
30g
3/8"
3/8
30
18
18
38g
3/8"
7/16
30
20
20
38g
3/8"
1/2
30
22
22
38g