A needed essential in your home improvement tasks, the Master mechanic 3 piece adjustable wrench set includes 6", 8" & 10" wrenches. Made of heat-treated forged steel, all wrenches are nickel-plated and include cushion grip handles for comfort. The Master mechanic wrenches help users tighten a range of fasteners securely. The 10-inch wrench has a maximum opening dimension of 1.13 inches, the 8-inch wrench, an opening dimension of 0.95 inches and the 6-inch wrench, an opening dimension of 0.76 inches. This product meets and exceeds all ANSI standards.