Steel: 6140CrV 44-48 HRC Nickel coating A: 40 mm; B: 37 mm; C1: 8 mm; C2: 12 mm; Length: 245 mm Combination wrench made of chrome vanadium steel with a reliable 72-tooth ratchet mechanism in the box end. The ratchet wrench speeds up the process of unscrewing and screwing fasteners in both normal and tight spaces. Provides high torque and a minimal return angle of 5º. The ratchet part of the wrench is not intended for removing or forcibly tightening fasteners; for this purpose, a box end or socket wrenches are used. You can also purchase a set of combination ratchet wrenches.