20 bits for the most common screws in the workshop, laboratory, or hobby room. Ratchet with three functions: left-hand rotation, right-hand rotation, and locked position. Stainless steel bit holder with magnet for easy and quick bit changes. Curved handle with a soft surface for a pleasant grip and high torque transmission. High-quality material that is resistant to solvents, oils, acids, and salts. Blade length of 30 mm, compact and practical for tight spaces.