Based on this product's specifications, here are some alternatives and similar models
Injector Seat Milling Cutter saTra S-XDI6 — S-XDI6 injector seat reamer set
Summary description:
Set of injector seat milling cutters saTra S-XDI6 (MPN S-XDI6, EAN 5902188472462). Designed for machining and restoring injector seats in engine cylinder heads. The S-XDI6 set provides precision cutting edges for accurate seat profiling and cleaning of contact surfaces to ensure proper injector sealing and alignment. Suitable for workshop use and engine repair tasks.