Maybe one of these similar products would be of interest:-

K&F Concept Updated M42 to Nik Adapter, Manual Lens Mount Adapter Compatible with M42 Mount Lens to Nikon/Nikon F Mount Camera Body

TTArtisan 250mm F5.6 Full Frame Reflex Lens Mirror Lens Doughnut Bokeh M42 Mount with M42-RF Adapter for Canon EOS R RF Mount DSLR Camera

TTArtisan 250mm F5.6 Full Frame Reflex Lens Mirror Lens Doughnut Bokeh M42 Mount with M42-E Adapter for Sony E Mount Camera

TTArtisan 250mm F5.6 Full Frame Reflex Lens Mirror Lens Doughnut Bokeh M42 Mount with M42-FX Adapter for FUJIFILM FX Mount DSLR Camera

T2 T-2 T-Mount Telephoto Lens to M42 Mount Praktica Adapter Lens to M42