Features and Benefits: 
Replaces standard Hex tools
Sizes Include - 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 11mm
Patented unique bi-directional design enables loosening & tightening of new and damaged Hex fasteners
Prevents rounding of new and compromised Hex fasteners
Up to 50% more torque on NEW Hex fasteners vs standard hex tools
Up to 400% more torque on damaged fasteners vs standard hex tools
Cr-Mo steel for increased strength and durability
Oversized laser etched markings for greater visibility