Lenox 30883-VB3 Vari-Bit 1/4″ to 3/4″ Step Drill Bit

Lenox VB3 Specifications
Chuck Size (Inches): 3/8″
Unibit: 3
Klein Unibit: 3-59003
Hole Sizes (Inches): 1/4, 5/16, 3/8, 7/16, 1/2,9/16, 5/8, 11/16, 3/4

Lenox VB3 features
Accurate, burr-free holes:
Patented two flute design cuts fast, clean, round holes.
Starts on contact:
Split point design for faster penetration and less walking.
Long tool life:
Steam oxide coating adds durability. Enhanced flute design removes chips
rapidly, ensuring longer tool life.