855/1 Z SB bits, 3 pieces Suitable for Pozidriv screws Ductile and tough for hard materials 1/4" hexagon drive (Wera connecting series 1) In a practical 3-piece set Premium bits for Pozidriv screws. Tough, for universal use. 1/4" hexagonal, suitable for holders as per DIN ISO 1173-D 6.3. 1 x PZ 1x25; 1 x PZ 2x25; 1 x PZ 3x25