Twister - bit holder with ratchet, set in practical ToolBox • 20 bits for the most common screws in workshops, laboratories and DIY rooms • ratchet with 3 functions: counterclockwise, clockwise and locked position • stainless steel magnetic bit holder,easy, fast bit change • convex handle with soft surface, pleasant grip and high torque transmission • high-quality materials used, resistant to solvents, oils, acids and salts • blade length 30 mm, compact and handy in confined spaces