MULTI-FUNCTIONAL WRENCH - Wide-opening type, good toughness, strong torque and high clamping performance. Increase the size of the key mouth to fit 6-68mm. Suitable for tightening or loosening nuts and bolts, plumbing, pipe nut dismantling or gas industry etc. ERGONOMIC DESIGN – The wrench handle is fully designed so ergonomic. Surface treatment, overall spray treatment, non-slip, wear-resistant, anti-rust and anti-corrosion. ADJUSTING WRENCH - The adjustable wrench is made of high quality aluminum alloy, light in weight and easy to pick up. Not easy to corrode, strong and durable. EASY TO USE – The short handle is easy to use in small spaces and easy to store. Large serrated knobs can be adjusted easily and smoothly. PRECISION TURBINE DESIGN – Large serrated knob brings strong clamping force, suitable for tightening or loosening nuts and bolts, pipelines , pipe nut dismantling or natural gas industry , etc.