Based on this product's specifications, here are some alternatives and similar models
Bison-Bial SJM 3860-315 Replacement Jaws — Bison-Bial model SJM 3860-315
Summary description:
Replacement jaws for Bison-Bial SJM 3860-315. These precision jaws are designed as direct spare parts for the SJM 3860-315 vise model, providing accurate clamping surfaces and fit. Intended for maintenance or repair of the vise, they restore proper gripping performance and enable continued safe work in metalworking, woodworking and general workshop tasks.