The UPB22 is an inexpensive driver for 5/32? pin-in-head fasteners. The tool is used in the communication field and other industries on pin-in-head tamper resistant fasteners. These fasteners are typically used in pre-boxes and enclosures mounted on the outside of buildings or in other applications where tamper proof screws are used. The tool is constructed with a 4�� carbon-finished shaft that is designed for durability and long life. It also has a tough 3�� blue ABS plastic handle that is sized right to fit into a tool belt pouch.