Wrenches, adjustable, center nut, phosphated Jaws do not fall out, even at maximum opening of the wrench The head combines a narrow design for better access with strength, for the best performance Laser scale in mm for adjustment and accurate measurements High-quality steel alloy forged from one piece Phosphate finish, precision hardened and anti-rust treatment Counterclockwise screw Standards: ISO 6787, DIN 3117, ASME B107.8-2003 and BS 6333 IP: IP = Industrial packaging Parallel jaws at an angle of 15° for a firm grip and best reach Wide handle for comfortable use Precise movement of the jaws Very strong thanks to precision hardening and high-quality steel alloy