Durable material: The whole is made of high-quality metal material, the surfaces is finely polished, the hardness is high, and it is strong and more durable. The head is disassembled for quick and easy installation. The head of the product can be disassembled, not only can be connected with the matching bit, but also can be connected with the sleeve, and it can be used in various ways. Uses: The impact batch is mostly used to remove stubborn screws that are extremely difficult to remove, and the adapter sleeve can also be replaced with a 1/2 buckle sleeve head. Forward and reverse adjustment: Press the black head inward to adjust the forward and reverse left and right, loosen the screw to the left, and tighten the screw to the right. Anti-slip handle design: Textured anti-slip design, deepened texture design, comfortable grip, non-slip and wear-resistant, easy to use.