Borg Digital Lock 5101 Knob/KnobThe BL5000 series are designed for medium to heavy duty applications. Its full sized knobs combined with its large 10 digit keypad enables the 5000 to control access in a wide variety of applications. Other key features clutched handle which protects against forced entry and lock damage, optional free passage function, an 8mm square drive so it can operate a wide range of leading brands of lock. Features Satin chrome finish. Fully mechanical digital