Adjustable Wrench Universal Spanner Aluminium Alloy Key Large Open End Wrench Hand Tools For Water Pipe Screw BathroomFeatures:1. Selection of excellent lightweight aluminum alloy, overall heat treatment,large open type,good toughness, high torque, strong clamping property;2. Increase the size of mouth of spanners, suitable for 16-68mm/help you to solve common problems;3. Humanized design, handle with the head is not easy to break, hold the comfortable tail end of the square hole,convenient to carry the suspension;4. Precision worm wheel slideway is flexible and fast twisting;5. Surface treatment, the surface metal abrasive texture is strong and durable,anti-skid and wear-resistant,antirust and corrosion resistance.