The Wright SAE Offset Handle Striking Box Wrenches offer enhanced precision and power with the offset design and box end. Crafted by Wright Tool, a trusted brand known for quality and durability. Increase efficiency with the added benefit of SAE sizing. Perfect for any professional! Special purpose single end 45°offset pattern box wrench with 12 point opening at one end and striking face anvil at the other end. When tightening a nut, the thick end is perfect for use with a hammer. This makes tightening easier. Industrial Black finish Drop forged from steel bar and designed for heavy industrial service where nuts must be set up tight or 'frozen' nuts loosened. Made in the USA