Material Aluminum alloy material The wrenches are made of lightweight aluminum alloy material, weight: 195g. Overall heat treatment, good toughness, high torque, strong clamping property. Precision turbine design The precision turbine slider is closely matched to the worm. The sliding is flexible and fast, the torque is strong, the toughness is good, the adjustment opening is stable, the sliding is easy to adjust quickly, and the work efficiency is improved. Widely used adjustable wrench Our wrenches are suitable for tightening or loosening nuts and bolts, pipes and tube nuts to remove plumbing fixtures, sinks or the gas industry. Not suitable for use on heavy metal. Adjustable wrench size This strong but lightweight aluminum wrench has adjustable jaws that open between 9 and 70 mm. The wide jaws and a short handle make it perfect for tightening the locknut on a basin. Ultra-lightweight short shank Features a very low profile design, 8 inches long allows it to easily access tight spaces, and a non-slip handle to save your joints while working. Specifications Material: Aluminum alloy Total length: 200 mm Adjustable open volume: 16 - 68 mm (cannot be fully closed) Note: The wrenches are not suitable for heavy-duty installation and maintenance projects. Please allow slight measurement deviation due to manual measurement. Not suitable for twisting iron pipe material.