Hex bits make life easier, quicker and cheaper, and are a must for almost any DIYer. By separating the screwdriving bit from the handle, they enable minimum cost worn bit replacement. By using an easy push-in fitting, they enable instant replacement of bits in tools.
Torx screws are typically used in vehicles, motorcycles, bicycles, computer systems, hard disk drives and consumer electronics. The unusual star-shaped head makes them far more secure than regular flat-head or cross-head screws and allows higher torque transmission so screws and bolts can be tightened more securely.