Irwin IWAX128PC Pro Spade Drill Bit Set, 8 Piece Summer10 Uses 2 clear medium base

Uses 2 clear medium base bulbs 60 watt maximum (Sold separately)

Thickness: 1/2 inch

Exterior insulation to masonry

It is a bare tool

Irwin IWAX128PC Pro Spade Drill Bit Set, 8 Piece Summer10 Uses 2 clear medium baseHighlights: 8 Piece All bits have a 1 4" hex shank that fits all drills & 1 4" quick change adapters Patented micro groove cutting edge & spurs produce a smoother hole finish Double spur design scribes the hole before the chips are made Producing a cleaner hole & reducing vibration Rugged storage case with rubber over mold for added impact resistance Sliding latch design provides added security Includes 6" length bits with 3 8", 1 2", 5 8", 3 4", 7