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 for M42 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