Steel: 6140CrV 44-48 HRC Nickel plated A: 23 mm; B: 25 mm; C1: 8 mm; C2: 9 mm; Length: 175 mm A ratchet wrench is necessary for servicing hydraulic and pneumatic systems. It is a 6-sided profile with a groove for fitting the wrench onto the pipeline. The profile of the ratchet wrench is more massive and taller compared to a socket wrench, which increases the contact area and reduces the risk of fastener deformation. The working profile of the ratchet wrench is offset by 15º from the longitudinal axis, providing greater flexibility when working in confined spaces. The wrenches are made of chrome-vanadium steel. Nickel plating with a protective lacquer layer provides additional corrosion resistance.