Based on this product's specifications, here are some alternatives and similar models
Floor base MULTIBRACKETS M Pro Series for Totem 55", steel, black, 840×560×52 mm
Summary description:
Floor base MULTIBRACKETS M Pro Series for Totem 55" is a single-piece steel support in black designed to stabilize digital totems and displays. Dimensions are 840 mm (width) × 560 mm (depth) × 52 mm (height). Supplied as one unit per pack, it provides a sturdy low-profile foundation for indoor installations requiring reliable support.