Based on this product's specifications, here are some alternatives and similar models
RJ45 pass-through plug UTP Cat.6 Montis MT177 – MONTIS MT177
Summary description:
Pass-through RJ45 plug UTP Cat.6 Montis MT177 designed for terminating UTP Cat6 network cables. The connector supports Cat6 performance for Ethernet applications, enabling visible conductor alignment through the housing for easier wiring and testing. Suitable for creating professional network patch cables in home, office or data center installations.