[Alnium alloy material] The wrenches are made of lightweight alnium alloy material, weight: 195g. Overall heat treatment, good toughness, high torque, strong clamping property. ; [Precision Impeller Design] The precision impeller slider is closely matched with the auger. The slip is flexible and fast, the torque is strong, the toughness is good, the adjustment opening is stable, the slip 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, pipe and tube nuts for removing plumbing fixtures, sinks or gas industry. Not suitable for use on heavy metal. [Adjustable Wrench Size] This strong yet lightweight alnium wrench has adjustable jaws that open between 9-70mm. Wide jaws and a short handle make it perfect for tightening the lock nut on a basin. [Ultralight Short Shaft] Features super low profile design, 8 inch length for easy access into tight spaces, non-slip grip to save