Wera 860/1 XZN M5 x 25 XZN bit M5 Tool steel alloyed, hardened D 6.3 1 pc(s)

Application: Internal serration screws, drive: 1/4"-hexagon, DIN 3126-C 6.3, ISO 1173 gear reduction: XZN.

Price: £ 4.29 from Conrad Electronic