12-Point Long Combination WrenchRemoves even worn fasteners. Precision broached openings. "Lobular" design exerts force on flats of fasteners. Heat-treated to ensure correct hardness and spring. Prevents rounding of fasteners' corners. Finish: Chrome; Handle Type: Flat; Head Angle: 15° Open Side; Head Thickness: 0.260 in (open), 0.350 in (box); Head Width: 1.180 in (open), 0.840 in (box); Length Group: Long; Material: Forged Alloy Steel; Measuring System: Inch; Number of Points: 12; Offset Angle: 15° Box Side; Opening Size: 9/16 in; Opening Type: Open/Box; Overall Length: 8 3/4 in; Type: Combination Wrench; Weight: 0.23 lb.