1-3/4" Jumbo Wrenches are made of high quality dropforged steel and are precision-machined to prevent fastener damage.Open End is Offset 15° for Greater Access and Designed with aContinuous Curve That Distributes Stress Back into the Wrenchfor Increased Strength. 1-3/4" Jumbo Combination Wrench Box End Incorporates a Radius Corner Design That Engagesthe Flats of the Fastener (Not the Corners), Providing 15% to 20% More Torque. 15° Offset 12 Point Box End Design Provides Clearance forYour Knuckles.