Compact portable: with a compact length of 4 inches and a depth of 1 inch, this set can also be used in the tightest of spaces. Delicate mechanism: this right-angled combination screwdriver set is powered by a reversible 36-tooth ratchet system made of chrome vanadium steel to a smooth ratchet in both directions and allow fine adjustment. You can adjust the direction by simply selecting the knob during use; the small, tight pocket size has a magnetic clip inside the hex bit holder to keep it plugged. Magnetic bit adapter: magnetic bit adapter ensures that each 1/4 inch hex bit can be firmly attached for higher torque. Wide range of applications: this mini ratchet screwdriver contains the most commonly used bits and covers almost the screw sizes required for most devices, cars, households, machines and other devices. And always wear eye protection at work to reduce the risk of injury and keep it away from children. Colour:black Material:Chrome vanadium steel Package Contents: 1 x screwdriver 10 x screwdriver bits(random models, don't accept the specified) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.