Non-slip T-shaped ratchet handle, adjustable in three gears, reinforced with an inner hexagon, does not slip or trip. The telescopic connecting rod is forged with CR-V alloy steel, the surface is equipped with water mist technology, rust-proof and wear-resistant, the built-in strong magnetic block and the batch head are stable and can be adjusted according to the length. Various combinations of joints, handles and extensions, arc links and end pieces are available at will. The stamping parts of the arc-shaped connecting rod are made of CR-V alloy steel, and the central spring strengthens the connection and can be bent freely. Suitable for complex environments. The transparent box is made of environmentally friendly plastic, high-strength, impact-resistant, non-toxic and tasteless.