9 Piece Variable Multi Step Down Drill Bit Unibit Tool Uni Stepped Size Metal Bit

Features:

• High quality HSS material construction
• Black and cobalt surface treatment
• Holds lubricant for smoother drilling
• Comes with aluminum carry case

1/4" Quick change shank:

• In 1/32" Increments:
• 13 Steps - 1/8" to 1/2"
• In 1/16" Increments:
• 6 Steps - 3/16" to 1/2".
• 9 Steps - 1/4" to 3/4".
• 12 Steps - 3/16" to 3/4".
• 8 Steps - 9/16" to 1".
• 10 Steps - 13/16" to 1-3/8".
• 12 Steps - 7/16" to 1-1/8".
• 10 Steps -1/4" to 1-3/8".
• 13 Steps - 1/8" to 7/8".