3855/4 Bits, stainless, PZ 2 x 89 mmHigh quality bits out of stainless steel for Pozidriv* screws. Wera stainless are made out of stainless steel which prevents the formation of unsightly extraneous rust. hexagon, suitable for holders as per DIN ISO 1173-F 6.3. * Pozidriv = registered trademark of European Industrial Service Ltd.