Features and Benefits: 
Replaces standard Hex tools
Sizes Include - 10mm, 11mm, 12mm, 14mm, 15mm, 16mm, 17mm, 19mm
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
S2 steel for increased strength and durability
Oversized roll stamping and ink-filled size markings for greater visibility