Based on this product's specifications, here are some alternatives and similar models
Bath length shortening tool SUNDO 11800 for trimming tub length
Summary description:
Bath length shortening tool SUNDO 11800 is a specialized mechanical device designed to trim or shorten the length of bathtubs. It enables precise cutting or removal of bath ends to fit installation spaces, supporting safe, controlled material removal on common bathtub materials. Useful for bathroom remodels, custom installations and fitting tubs into constrained layouts.