the t.bone Headphone Adapter Screw M5, Stereo Jack Adapter, From 3.5 to 6.3 mm, For Beyerdynamic (versions from summer 2019 with M5 thread) DT-770 pro, DT-770 M, DT-990, DT-880 pro, DT-880 Edition and DT-990, Screwable, M5 thread
