Manufactured from I beam section chrome vanadium steel for improved strength and rigidity the jaws are heat treated for extended tool life High polished corrosion-resistant chrome finish 225 offset head angle for positive torque control Slimline tapered jaws for improved access into confined spaces Parallel jaws with smooth jaw adjustment and self-locking design prevents the jaws opening unintentionally even when under full load Suitable for industrial engineering automotive aerospace maintenance and assembly applications Torque Ratings Conform to: ISO 6787:1982