OX Trade Heavy Duty Fixed Basin Wrench - 15 & 22mm Features: Heavy duty basin wrench For fitting back nuts and union nuts of pillar and bath taps behind basins, sinks and baths. Jaws machined to fit standard back nuts Offset design for easy access behind baths and sinks About OX: Powerful, dynamic and advanced, the phenomenal OX range raises the benchmark for tool performance, to unprecedented new levels. Using American, German and other European technology, OX products are known for their innovation and toughness. OX tools will be instinctively recognised as tough, dynamic and dependable, and their customers feel like OX is the ’extra man on site'.