Dixon offers a high-tech line of hand-held blow-fed screwdrivers. The Model HSH and HVH Series Hand-Held Screwdrivers offer a number of outstanding features. These features provide an ergonomic handset with an easy to squeeze cycle start lever. The screw entry section at the lower end of the handset can easily rotate to suit the assembly application. The handset has an automatic bit-advance feature which helps the operator to target the fastener over the workpiece. The centering jaws support the fastener during the driving cycle. The air consumption is only used during the driving cycle. The feed system has a sound enclosure with built-in controls and pneumatics.