Based on this product's specifications, here are some alternatives and similar models
Support plate Bessey STE-SP35 — aluminium accessory for clamping systems, model STE-SP35
Summary description:
Support plate Bessey STE-SP35 is an aluminium accessory designed for use with compatible clamping systems. It provides a stable bearing surface to distribute pressure and protect workpieces during clamping. Suitable for woodworking, metalworking and general workshop tasks where even pressure distribution and improved grip are required. Lightweight, corrosion-resistant and easy to fit.