IRWIN 1859149 IMPACT DEEP WELL BOLT GRIP 8PC PRO SET

Reverse spiral flutes engineered to provide maximum gripping power to easily remove broken, damaged, or rusted nuts, bolts and screwsHigh carbon steel ensures longer life and greater durabilityUniversal lobular design fits all types of fastenersMolded ABS resin case holds up to rigors of daily useFull-length metal pin in hinge for added durability and lifeSpecificationsItem #DescriptionContents18591498-Piece Deep Well Impact Bolt-Grip Pro SetDeep Well 1/4" / 6mm, Deep Well 5/16" / 8mm, Deep Well 3/8", Deep Well 10mm, Deep Well 7/16" / 11mm, Deep Well 12mm, Deep Well 1/2", 1/4" to 3/8" Adapter