Steel: 6140CrV 44-48 HRC Nickel-plating A: 34 mm; B: 31 mm; C1: 8 mm; C2: 10 mm; Length: 210 mm Combination wrench made of chrome-vanadium steel with a reliable 72-tooth ratcheting mechanism in the open end. The ratcheting wrench accelerates loosening and tightening of fasteners in both normal conditions and limited space conditions. It provides high torque and a minimum return angle of 5º. The ratcheting part of the wrench is not intended for stripping and forcefully pulling fasteners, for which a socket wrench or box-end wrenches are used. You can also purchase a set of combination ratcheting wrenches.