Size: 12 x screwdriver bits: PH/Phillips ( 0, 1, 2, 3), Hex (3, 4), Slotted (3, 4, 6) Torx (T15, T20), AD, with 4.5 inch (110 mm) mini ratchet screwdriver. (Due to batch problems, the product may print blurred 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 ensure 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. Precision Engineering The magnetic bit adapter ensures that each 1/4 inch hex bit can be firmly secured for higher torque. The small pocket size bit screwdriver has a magnetic clip inside the hex bit holder, which holds the inserted bit firmly in place and does not fall off. This set is suitable for tight spaces on machines, cars, boats, planes, motorhomes etc. or for the household or working with tight fit repairs, installations or renovations. Compact and portable. As a compact 4 inch length and 1 inch thick driver handle, this set can be used even in confined spaces, especially in difficult places such as U-shaped corners, side surfaces, etc. Traditional ratchet screwdrivers or screwdrivers can be too big or bulky to fit, but this product is easy to attach and release with sufficient torque. Reversible ratchet with 36 teeth. The chrome vanadium steel 36 tooth reversible ratchet system is adopted in this multi-point right-angle combination screwdriver set, which can ensure the smooth rotation of the bi-directional ratchet and make a more accurate adjustment than the 12 teeth. You can adjust the direction by simply selecting the knob.