General description This double-ended Whitworth box spanner is designed for tightening or loosening bolts and nuts in narrow recesses, making it ideal for plumbing maintenance and automotive repair. Made from bright plated steel, it offers durability and can accommodate a tommy bar for extra leverage. Technical specifications Length: 180mm (7 inches) Size: 3/4 x 7/8 Whitworth Material: Bright plated steel Type: Double-ended box spanner Compatibility and accessories Compatible with bolts and nuts requiring 3/4 and 7/8 Whitworth sizes Designed to accommodate a tommy bar for increased torque Installation No installation required; ready to use out of the box. Usage Use to tighten or loosen bolts and nuts in narrow or recessed areas Suitable for plumbing maintenance and automotive repairs Can be used with a tommy bar for additional leverage Other information