• Adjustable wrenches developed according to the scientific ERGO™ process • Special adjustable wrenches 6" and 8" with extra wide opening • Standards: ISO 6787, DIN 3117, ASME B107.8M - 2003 and BS 6333 • High performance alloy steel • Comfortable and nonslip thermoplastic grip handle • Scale in mm for pre adjusting and accurate measurement • The jaw does not fall out even at maximum opening of the wrench • 40% wider opening compared to a standard adjustable wrench • 45% thinner jaws, compared to a standard adjustable wrench • Lower weight with a convenient length of the handle • Head combines slimness for accessibility with strength for performance • Left-going screw • Black finish, precision-hardened and anti-corrosion treated