Used in microelectronics as stated in the manufacturer's text

Family description (from manufacturer): High precision brushes for cleaning and coating

Torsion zone: absorbs peak torque to extend bit life

Source: Intercable Tools product page for "Isolierte Quetschkabelschuhe mit aufgeweiteter Isolierhülse" (ICIQ612)

Bit serie 4 pozidriv BiTorsion 1/4": PZ2x50mm: diamantbelagt MILJØ000086 Used in microelectronics as statedPozidriv Bit (PZ2) Description The Wera 05059902001 is a Pozidriv bit in size PZ2 with a blade length of 50 mm. The bit belongs to the Wera 855 4 BDC family and is designed with a BiTorsion torsion zone to absorb peak loads. The tip is diamond coated to improve grip in the screw head and reduce the risk of cam out. Features Pozidriv profile: PZ2 Blade length: 50 mm 1 4" hexagon drive (Wera connecting series 4) BiTorsion torsion zone for absorbing peak