Based on this product's specifications, here are some alternatives and similar models
Circular ripsaw Topex SHARK 450 mm model 10A445, blade diameter 450 mm
Summary description:
Topex SHARK 450 (model 10A445) is a circular ripsaw with a 450 mm blade diameter designed for longitudinal cutting of wood boards and panels. The tool suits workshop and site use for ripping timber to length and width, delivering straight cuts with an exposed circular blade. Intended for users who need a high-capacity manual or benchtop saw for joinery, carpentry, and wood preparation tasks.