Steel: 6140CrV 44—48 HRC Nickel plating A double-sided wrench made of chrome-vanadium steel with reliable 72-tooth ratcheting mechanisms. The ratchet wrench speeds up the loosening and tightening of fasteners in both regular and tight spaces. Provides high torque and minimal return angle - 5º. The wrench is not intended for stripping or forcefully pulling fasteners; for this, combination wrenches or socket wrenches are used.