The Capri Tools Ultra Precision Certified Torque Limiting Screwdriver lets you work on electronics, computer equipment, and delicate instruments with ease and confidence. Our torque setting ranges from 1.5 to 6 in. lbs. with ultra-precise 0.05 in. lb. increments. Intuitive single hand torque adjustment mechanism with easy to read torque scale lets you quickly adjust torque settings on the fly. We engineered the power and precision into a form factor that's up to 50% smaller than comparable torque screwdrivers. It is just 4.1 in. long and 1 in. wide, and provides excellent ergonomics and maneuverability especially in tight spots. +/- 6% accuracy and it is certified in accordance with ASME B107.300-2010 and ISO 6789-1.2017. A Certificate of Conformance with individualized traceable serial number is included. 1/4 in. universal hex bit holder and comes with 16 screwdriver bits: Slotted: 4 mm, 6 mm, Phillips: PH0, PH1, PH2, PH3, Star: T10, T15, T20, T25, T30, T40, Hex: 3 mm, 4 mm, 5 mm, 6 mm. A premium custom carry case is included.