Features:
Made of high quality chromium-vanadium alloy steel, whole quenching heat high hardness, large torque, durable.
Standard hexagonal buckle with spring, strong torque and not easy to slip, with spring as buffer.
Solar panel socket tools for photovoltaic power plants.
360 free rotation, convenient for working in small environments.
Wide range of compatibility: 1/2 connector can be used for electric wrenches, hand drills, ratchet spanners, L-shaped bent rod, etc.