Based on this product's specifications, here are some alternatives and similar models
Crimping tool Alantec NI041 for 8P/6P modular plugs (RJ45/RJ12)
Summary description:
Alantec NI041 is a crimping tool designed for terminating 8P (RJ45) and 6P (RJ12) modular plugs. It provides a single-purpose mechanical solution for securely crimping network and telephone connectors. Suitable for field installation and workshop use when assembling patch cables, phone leads, and short network runs, helping ensure reliable contact and consistent terminations.