Drill Chucks Wera

Wera Tools 855/1 BTZ PZ2/25 Extra Tough BitBiTorsion bits for Pozidriv screw with the torsion zone into which kinetic energy is dissipated during peak loads. This significantly increases the product life. Extra-hard design. 1/4" hexagonal suitable for holding tools as per DIN ISO 1173-D 6.3.WER30790A: PZ1/25mmWER30790B: PZ2/25mm

Tool shaft for manual nutsetter inserts; with ball. Output: 1/4" square head; drive 1/4" hexagon.Features & Benefits:• Adaptor for machine-operated nut spinner sockets• 1/4" external square• 1/4" hexagon drive (Wera connecting series 4)• With ballContents:1x 870/4 SB, 1/4" x 50 mm; 1x 870/4 Adaptor, 1/4" x 50 mm