No. of Teeth
0 Series
1 Series
20N
2 Series
3, 6, 34 Series,14N, 55B, 56B, 58B, 75A
30, 31 Series, 8-1/2N
32, 33 Series,11N
36, 37 Series,16N, 18N, 59B
7 Series
DC8, SM8, 74K, 22BA, 23B, 24BA, 26BA, 29A
Large Master Chuck Keys
Small Master Chuck Keys