【Material Aluminum alloy material】 Keys are made of lightweight aluminum alloy material, weight: 195g. Overall heat treatment, good toughness, high torque, strong clamping property. 【Design Precision turbine design】 The precision turbine valve is closely adapted to the screw. The sliding is flexible and fast, the torque is strong, the toughness is good, the adjustment opening is stable, the sliding is easy and fast to adjust, and the working efficiency is improved. Br> 【Widely used adjustable wrench】 Our wrenches are suitable for tightening or loosening nuts and bolts, pipes and pipe nuts for removing sanitary fittings, sinks or the gas industry. Not suitable for use on heavy metals. < Br> 【Adjustable key width】 This strong but lightweight aluminum key has adjustable jaws that open between 9-70 mm. The wide jaws and a short handle make it perfect for tightening the lock nut on a basin. Br> 【Ultra-light short shaft】 With super low design, 8-inch length for easy access to tight areas,