The Combination Spanner 50mm is a hand tool used for tightening or loosening fasteners, such as nuts and bolts, with a 50mm width. It features an open-end and a ring-end, allowing for versatile use in different situations. The open-end provides quick adjustments, while the ring-end offers a secure grip for more torque. This combination spanner is commonly used in mechanical, automotive, and industrial applications where large-sized fasteners need to be handled efficiently and securely. It's made from durable materials for strength and long-lasting performance.