Using this hardness torque is high.\nThe overall heat treatment of chrome surface makes this tool attractive yet durable.\nSuitable for all type of pipes, nuts and other fasteners like links, quick release clamping which don't slip at any point of time.\nSmall wrench: Size: 9-22mm, total length 215mm, two heads design\nLarge wrench: Size: 23-32mm, total length 280mm.