Based on this product's specifications, here are some alternatives and similar models
Bench vise base Bison-Bial PODSTAWA IMADLA TYP 1282-1 (63)
Summary description:
Replacement bench vise base for Bison-Bial model PODSTAWA IMADLA TYP 1282-1 (63). Designed to mount and secure a vise to a workbench, this metal base provides a stable attachment point and maintains alignment of the vise during clamping and machining tasks. Suitable for workshop repair, vise restoration, and equipment fitting jobs.