Based on this product's specifications, here are some alternatives and similar models
Tensioner for X/Y Axis Belt for Bambu Lab H2 Series 3D Printers, compatible part
Summary description:
Replacement tensioner designed for the X and Y axis belt system of Bambu Lab H2 series 3D printers. This mechanical part restores correct belt tension to maintain print accuracy and reduce layer shifts. Fits as a compatible spare for belt routing and adjustment; suitable for maintenance, repairs and upgrades of H2 series machines.