Since the jaws of an adjustable wrench will adjust to fit various sizes of bolt head and nut, they are particularly useful when only a limited number of tools can be transported or maintained in one tool kit. The mini SIZE metal wrench is the most convenient tool to use and carry. Slim jaws are shaped to provide the best possible entry into confined spaces. Adjustable wrench is deeply slotted for ease of adjustment. 4 inch 100mm metal wrench, Weight: 0.12015193279 pounds, Manufacturer: Rtxbvg