20-in-1 DESIGN: The handle is equipped with a 1/4 inches screwdriver sleeve and 10 double-headed drills. This ratchet screwdriver can be used as 20 regular screwdrivers. The available modes are cross screwdriver: (Y1, PH2, +5.0, +3.0), straight screwdriver:(-3.0, -5.0, 6.0); six-angles screwdriver: (T10, T15, T20, T25, T30); hexagonal screwdriver: (H2, H2.5, H3, H4, H5, H6) and triangular screwdriver: (2.3, U shape, U2.6).STURDY & DURABLE MATERIAL: Our screwdriver is formed by S2- alloy steel, which makes the degree of hardness reach up to 58-60HRC. It is of corrosion resistance. The screwdriver sleeve with built-in strong magnet can tightly fasten every drill head when you put screwdrivers inside. The ergonomic ABS resin handle and non-slip surface of screw threads can greatly enhance the force of friction. The removable storage slots are used to place 10 screwdrivers.MULTI-ANGLE OPERTAION: This type of ratchet screwdriver can be rotated to 180. Therefore, it can help you do the work in the area where it is hard to reach. In addition, these magnetic screw bits can turn tiny screws through magnet control.USER-FRIENDLY DESIGN: With clockwise direction, counterclockwise direction and three gears locking setting can quickly enable you to tighten the screws or loosen the screws, thereby, saving you much strength during the operation.WIDE APPLICATION: The dimension size of this ratchet screwdriver is 7.2inches (18.28cm) * 1.2inches (3.048cm) * 1.2inches (3.048cm). All in all, the 20-in1 design screwdriver set has a wide range of application and can be used in DIY, home repair, vehicle maintenance and outdoors to meet your requirement.