Irwin IRPG Power-Grip 7 pc Set

Set comes with 1 each of: 1/2", 7/16", 3/8", 5/16", 1/4", 3/16" and 10mm Power Extractor

Easily removes damaged screws and bolts
Grips both Metric and AF SCREW/STUDS

IRWIN Power Extractors
Universal lobular design grips both Standard (SAE) and Metric size fasteners
High carbon steel ensures longer life and greater durability
Reverse spiral teeth bit down to provide maximum gripping power
Large-diameter, high carbon steel shank resists torsional shear
1/4" hex shank fits most cordless drills, impact drivers, corded drills and nut runners
Power Groove works with quick change adapter