Product DescriptionManufactured from carbon steel, zinc plated, with nylon webbing strap. Can be operated with 1/2-inch square drive or 21 mm wrench.All Draper tools are manufactured to high quality standards that are strictly controlled by our quality control engineers. They offer good value for money and a number of useful features to improve the performance of the product. All Draper products come backed by the Draper Tools guarantee.Draper Tools is a family-run company that has been selling high-quality tools in the United Kingdom and beyond for more than 90 years. To bring you the tool you need, the Draper buying team sources innovative products, which adhere to strict ethical and quality standards, from all around the world.Product DescriptionManufactured from carbon steel, zinc plated, with nylon webbing strap. Can be operated with 1/2" square drive or 21mm wrench.