Knipex 72 51 160 diagonal cutter for fibre optics 160mm knipex 72 51 160 this 160mm l diagonal cutter from knipex has been specially developed for cutting fibre optics glass fibre cables manufactured to a high standard with an elongated cutting edge induction hardened polished head and vanadium electric steel forged oil hardened knipex 72 51 160 diagonal cutter for fibre optics 160mm