Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch. 3-Piece Cooling System 1 x Graphical Handheld Tester

1 x Graphical Handheld Tester with Integrated Thermal Printer (12-2415)

Auto power off - clamp opening 1

Flexible abrasive cylinder hone for surface finishing and cross hole deburring

and helps you stay there

Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch. 3-Piece Cooling System 1 x Graphical Handheld TesterThe IRWIN Unibit 3 Piece TiN Step Drill Set features drill bits with single flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid. self starting tip to minimize skidding and the need for center punching. The titanium coating withstands heat and friction to extend the cutting edge life. What's in the Box #1 bit for drilling holes 1 8