The documentation explicitly mentions use on surfaces such as rubber

Den er ikke egnet til maskindrift eller el- og trykluftværktøj

The color is specified as Black (ESD)

made of spring steel to hold standard screws in position

Bit serie 4 pozidriv TORSION 1/4"; PZ2x50mm Unit(s):Pcs The documentation explicitly mentions useProduct Overview The Wera 855 4 TZ PZ 2 (05060010001) is a Pozidriv bit from Wera's 855 4 TZ family with a torsion zone. The product is specified as a PZ 2 variant with a blade length of 50 mm and a 1 4" hexagon drive (Wera connecting series 4). The manufacturer's description highlights the torsion zone as a design feature. Function and Design The bit features an integrated torsion zone (TZ), which, according to the manufacturer, dissipates kinetic