How: The multi-function set includes 8 double-sided bits, professional bits made of S2 steel, including: Phillips PH1 PH2 PH3 bits, SL5 SL6 SL8 slotted bits, T8 T10 T15 T20 Torx bits, 2.0 3.0 triangle bits, 2.3 U-shaped bits. Y5 Y6 tri-wing bits. Durable blade blades made of alloy steel provide the strength and torque resistance that professionals need for the ACTION ratchet The smooth ratchet mechanism has three settings for clockwise, counterclockwise ratchet and locking positions, which can work effectively in both directions. Durable and comfortable handle The ergonomic dual-material handle provides a comfortable grip, oil or solvent resistance, comfortable grip, non-slip and reduces hand fatigue. Convenient storage the back cover stores all the included bits inside the chuck, all the drill bits are cleverly stored in the chuck, no worry about losing, easy to use and carry. Specification:Material: S2Size: Length 160*38mm Unit: Metric (including magnetic)Weight: 370 grams Package: In the box Applications: Children's tools (toy cars, small alarm clocks, etc.), travel tools (bicycles, electric vehicles, etc.), home goods (cabinet, desk chairs, door handles, etc.), household appliances (electric fans, switches, etc.), 3C computer, machine manufacturing, DIY gadgets Package list:8 * drill bits1 * handle1 * ExtenderHello, Guys, thank you for visiting my store. You can refer to the website for more details about the goods. Have a nice day!