Mass Pro 4 Pcs Bits Set Multi-purpose Heavy Duty Impact Screw Driver Set Impact Screwdriver Set  (Pack of 1)

4Pcs Bits Impact Screwdriver Bit Kit Tools *Chrome vanadium steel material, manufactured by cold forging process, high hardness, toughness, more durable *The product head can be disassembled, not only can be connected to the bit, but also can be connected to the socket, can be used in various ways. *Press the black head inward, can adjust left and right, positive and negative rotation, loosen the screw to the left, and pull the right tight screw *Non-slip design, deep texture design, comfortable grip, non-slip and wear-resistant, easy to use *The impact bit is mostly used to disassemble the stubborn screws that are difficult to disassemble, can also convert the adapter socket to 1/2 socket head