With a square section mechanics' pattern handle, this bit driver is ideal for high torque applications. Suitable for use with 1/4" hexagon driver bits, the hexagonal blade also allows the application of a spanner for high torque when necessary. Features and Benefits • Hexagonal blade can allow you to apply a spanner for bolstered torque • Ergonomic handle increases user comfort and grip • Suited for use with 1/4" hexagonal driver bits (sold separately) Typical Applications • Automotive • DIY • Engineering • Plumbing