IRWIN INDUSTRIAL Tool 12413 3/4" High Speed Steel Countersink Bit Locking Slide Top Punch sizes include: 1/4"

Punch sizes include: 1/4"

Swivel Lock / Base

3-3/4 inches 8 point hex locknut socket

1x 6" steel extension with 4-jaw coupler

IRWIN INDUSTRIAL Tool 12413 3/4" High Speed Steel Countersink Bit Locking Slide Top Punch sizes include: 1/4"3 4", High Speed Steel, Countersink Drill Bit, Tip Is Milled & Precision Ground To 82 Degrees For Countersinking Into Most Machin able Materials, Engineered With Premium High Speed Steel With Black Oxide Coating For Corrosion Resistance, Features 5 Flutes For Reduced Vibration, 1 4" Round Shank. High Speed Steel Countersinks, 3 4 inch diameter, milled and precision ground to countersink into any machinable material including iron, steel, soft metals,