Adjustable socket wrench, universally socket wrench can easily withstands high torques, firmly and correctly grasp all nut and bolts in its adjustable size ranges of 10-19mm. Easy to use, easy to handle large torques, firmly grasp, single hand operating. Wide ranges of adjustability: replace 3/8"to 3/4" and 10 to 19 mm sleeves. Application, immediate to hold most nut, screws, hook, square head screws, bolt heads, and more. Suitable for any standard 3/8inch drive wrench., Weight: 0.9810570659 pounds, Manufacturer: MEILVMEIJI