Crafted for precision and durability, the Britool 21 & 23mm open-end spanner is an essential tool for any mechanical or DIY project. Its robust design ensures a reliable performance when tightening or loosening bolts and nuts. The metric system of measurement ensures compatibility with a wide range of fasteners. The spanner is a single item, bearing the distinguished Britool brand, known for its quality craftsmanship. With the manufacturer part number 2JM2123, this tool is easily identifiable and a valuable addition to any professional or hobbyist's toolkit. The size range of 21 to 23mm provides versatility for a variety of tasks.