Unibit Step Drill
3/16-1/2 by1/16
Part#: 52672
1/4-3/4 by 1/16
Part#: 52673
Dynamo Step Drill Bit
1/8-1/2 by 1/32
Part#: 52676
Part#: 52677
Part#: 52678
3/16-7/8 by1/16
Part#: 52679