Replaces 14 wrenches with a compact two wrench set. Large key covers 23 32 mm with a total length of 28 cm. Small key covers 9 14 mm and 15 22 mm with a total length of 21 cm. Two wrenches, one pair design. The set includes a large key and a small key for a wide range of fasteners, enabling quick adjustments across multiple sizes. material. The wrenches are made of carbon steel, delivering toughness and hardness for long lasting durability and rust resistance. Automatic adjustment system. This set features an innovative self clamping system that allows fast, precise sizing to the right fastener. It supports easy one handed operation for practical use. Non slip handle design. The handles are ergonomically shaped, with a rubber grip to provide a comfortable, secure hold and to prevent slipping during use. This design helps reduce hand fatigue during extended work. Key benefits at a glance. Versatile all in one tool for many tasks, reliable grip in challenging spaces, durable construction for years of service, fast adjustment for efficient work, suitable for a wide range of fastener sizes. Recommended use scenarios Automotive and machinery work such as wheel nuts and large fastener assemblies in the 23 32 mm range. Bicycle maintenance and general mechanical tasks that involve 9 14 mm, 15 22 mm, or 23 32 mm fasteners. Home improvement, furniture assembly, and plumbing tasks where a range of small to medium fasteners are encountered.