Irwin 7 pce Powergrip Set

Product Details.

3/16" 1/4" 5/16" (8mm) 3/8" 10mm 7/16" (11mm) 1/2"

Features

• Reverse spiral flutes for maximum gripping power
• Universal shape fits metric andamp; fractional size
• 1/4 inch hexagon shank suitable for use with power drills and nut drivers
• Durable high carbon steel for longer life