Universal wrench: supports much higher loads than other adjustable tools. Fits any standard 3/8" wrench, one-handed operation. Mintiml Wrench: Maintains equal force on all sides of fastener and eliminates rounded corners. Gripping load is much higher than other adjustable tools. . Adaptive Socket Wrench: Unlike restrictive sockets, it can handle high torques easily, firmly and correctly grips all nuts and bolts in the infinitely adjustable size range. Adaptive sleeve wrench replaces more than 30 sockets from 3/8 to 3/4 and 10 to 19 mm. Multi-function wrenches: the greatest strength, you can provide reliable and durable tools for efficient applications and practical applications.Can be used in automotive, household, manufacturing to loosen all screws, nuts, hooks and other fasteners.