Ratchet design: positive and negative adjustment, can quickly assemble and disassemble positive and negative rotating screws, ideal for fastening screws in tight spaces 【200% Efficiency Improvement】: Double drive technology with high torque ratchet, 2x faster than standard screwdriver. This design can improve your work efficiency and reduce labor 10 Bits Stored in Handle: It is a mini pocket screwdriver set. Comes with 10 standard size 45 hex bits made of C6 steel (6.35mm), high hardness, high torque, wear resistance and durable Convenient and Simple: Hex reinforcement, reinforced connecting rod, not easy to slip. With magnet, no falling off, durable. Soft handle, easy to use, labor-saving and relaxed to work Good choice for left-handed people: Switchable between right-handed, left-handed and fixed rotation. Quick closing and releasing, no matter with right or left hand