Aluminum alloy material The wrench is made of lightweight aluminum alloy, weight: 195 grams. Overall heat treatment, good toughness, high torque and high clamping performance. Precision Turbine Design Precision turbine sliders are closely matched to the worm gear. The sliding is flexible and fast, the torque is strong, the toughness is good, the adjustment aperture is stable, the sliding is convenient and fast, and the work efficiency is high. Adjustable wrenches are widely used Our wrenches are suitable for tightening or loosening nuts and bolts, pipes and pipe nuts for removing plumbing sanitary products, sinks or gas industry. Not suitable for use on heavy metals. Adjustable Wrench Size This sturdy and lightweight aluminum wrench features adjustable jaws with an opening range of 9-68mm. The wide jaw and short handle make it perfect for clamping waste over the sink. Ultra Lightweight Short Handle Ultra low profile design, 8 inches (about 20.3 cm) in length can easily reach tight spaces, and the non-slip handle protects your knuckles while working.