Lenox Vari-Bit 30908VB8 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank
Irwin Unibit 10225 Step Drill Set, #21 Min Drill Bit, #1 Max Drill Bit, 4 Pieces, HSS, Bright
Klein KTSB03 Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, Steel, 3/8 in Shank
Klein KTSB14 Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, Steel, 3/8 in Shank
Lenox 30883VB3 Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 3/8 in Shank
Lenox Vari-Bit 30909VB9 Step Drill Bit, 7/8 in Dia Min Hole, 1-7/32 in Dia Max Hole, HSS, 3 Hole Sizes, 3/8 in Shank
Milwaukee 48-89-9202 #2 Step Drill Bit, 3/16" - 1/2" by 1/16"
Milwaukee 48-89-9203 #3 Step Drill Bit, 1/4" - 3/4" by 1/16"