• Electric precision screwdriverEnhanced precision efficiency • Thanks to the powerful magnetic motor with a speed of up to 170rpm*. and the all-metal gearbox, the screwdriver has a screwdriving bit concentricity of no more than 0.2mm* when rotating, for greater precision efficiency. • 170rpm • Powerful magnetic motor speed • All-metal • gearbox • ≤0.2mm • screwdriving bit concentricity • Compact design with an extra-long battery life400+ precision screws on one full charge • The screwdriver has a shaft diameter of just 16.4mm*. The built-in rechargeable lithium battery is powerful and long-lasting and can process 400+ precision screws on one full charge*. • 16.4 mm • shaft diameter • 400+ Pieces • precision screws • Artistic rendering of the interior construction, which does not correspond exactly to the actual interior. • 24 x S2 steel precision screwdriving bits in 9 major typesThe 24 x high-quality S2 tool steel screwdriving bits are durable and tough and have a hardness of up to 60HRC*.The 24 types of precision screwdriving bit are ideal for dismantling and assembling most standard electronics and new small household appliances. • 6 commonly used 45mm long screwdriving bitsfor complex deep-hole applications6 commonly used screwdriving bits out of the 24 are 45mm long for use in a wide range of complex applications, such as deep holes and narrow