Combination Tool Kit3 adapter screwdriver socket kit with steel balls, the size is 1/2 inch, 3/8 inch, 1/4 inch and 105° angle screwdriver< /li> MaterialThe Drill Adapter Kit is made of high quality chrome vanadium steel, with high hardness, not easy to break, nickel-plated surface, rust and corrosion resistance, and can be used for a long time. Socket AdapterOne end is a 1/4 hex handle, and the other end is actually magnetically connected to a drill bit, such as an electric / pneumatic screwdriver or a manual screwdriver. 1/2 socket adapter, 1/4 socket adapter, 3/8 socket adapter is used to quickly change the system 1/4" chuck or put it back directly into the drill chuck in. < li>Angle drill bit105° angle head, can rotate 360 degrees, extend the power of cordless screwdriver-100V/lb, torque 400rpm, this universal socket tool is very suitable for drilling easy, low-speed / screw drive, such as cordless electric drill, manual ratchet screwdriver, etc., especially suitable for use in