Based on this product's specifications, here are some alternatives and similar models
Inspection Mirror Beta Tools 1715FL/A rectangular 600 mm handle
Summary description:
Beta Tools inspection mirror model 1715FL/A is a rectangular handheld inspection tool with a 600 mm reach. Designed for visual inspection in hard-to-reach areas, it provides a rectangular reflective surface mounted on an extendable or fixed-length handle for mechanics, technicians and maintenance work. Suitable for routine inspections, assembly checks and underbody examinations.