Craftsman wrenches are the industry standard for quality. Forged from tough alloy steel, heat-treated, oil-quenched and tempered for a uniform hardness and maximum strength.  This wrench is designed to remove tough fasteners with the double box end design, combining two sizes in one wrench which allows you to use this wrench on two different size fasteners.  Backed by the Craftsman Lifetime Guarantee.

• Individual metric box end wrench with a straight handle
• Suitable for both personal and professional use
• Alloy steel construction for ensured longevity
• Heat treatment and oil soaking and tempering ensure uniform hardness and maximum strength
• Rust- and corrosion-resistant nickel chrome plating makes cleanup simple
• Polished finish shines up nicely even after grimy or dusty work settings
• Comes with a lifetime warranty