Lenox 30883-VB3 Vari-Bit 1/4-Inch to 3/4-Inch Step Drill Bit with 3/8-Inch Shank

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, 3/4Lenox VB3 featuresAccurate, 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 chipsrapidly, ensuring longer tool life.