Irwin 394100 7-Piece Power-Grip Set

394100 Includes:
Bolt extractors to remove bolt sizes: 8mm, 10mm, 11mm, 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" in drive size 1/4"

7-Piece Power-Grip Set 394100 Features:
•  Designed for use with power tools
•  1/4" hex shank fits most power tools
•  When you are faced with a rounded-off, rusted-tight or painted-over bolt, bolt extractors will break it free
•  Reverse spiral flutes are designed to bite down to provide maximum gripping power
•  High carbon steel ensures longer life and greater durability
•  Universal lobular design fits all types of fasteners
•  Set includes plastic case