Based on this product's specifications, here are some alternatives and similar models
Replacement cutter head Knipex 71 89 950 for cable/rope cutters (spare part)
Summary description:
Replacement cutter head Knipex 71 89 950 is a spare part designed for compatible Knipex cable and rope cutting tools. It provides the cutting edge component required to restore tool performance after wear. Intended for professional and DIY use where precise cutting of cables, wires or small ropes is needed. Easy to fit on matching models and helps extend tool service life.