[Name]: 1/4 Ratchet Wrench Screwdriver[Material]: ABS + Chromium Vanadium Steel[Features]:1 quality, High hardness chromium vanadium metal forging, quenching medication According to ergonomic design, the grip is comfortable, more labor-saving Magnetic, can absorb screw, function simple, short operation Ideal for join 6 screwdriver bit Tyle A-B with one 1/4 square head and one 1/4 hexagonal socket Tyle D-E With a connecting rod, it has grooves on it, which can adjust the position and size Press the spring card button to easily adjust the size of the screw and replace the batch head Tyle D-E has a power gap on its side, which produces a greater torque, that are switched over right into a t-type interface according to the need, which might produce greater torque and easier paintings Can be adjusted ahead and reverse, mini length and portable, a should have instrument on your tools bag