1.Professional to reach the dead and narrow parts, beyond the ordinary screwdriver can achieve the installation or removal of screws. 2.High hardness, sturdy, clear angle, easy to lose Flexible drill bit holder. 3.Can be arbitrarily, suitable for manual screwdriver, electric screwdriver, pneumatic screwdriver, make the work easier. 4.Metal pipe, 300 degrees, can be rotated in different directions, easy to control. Product Description Color: Black and Green Material: PP and Chrome Vanadium Steel Type: Socket Screwdriver Screw Type: Hex Size: 31CM Package Contents: 2 x Screwdriver Only the above package content, other products are not included. Not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.