This bracket adds a rosette adapter anywhere you have 1/4-20 or 6mm threaded holes. Captive screws adapt to threaded hole centers up to 1-1/4" (31.75mm) commonly found on cages, handles, top plates or cheese plates.
This part ships with 2 each, 1/4-20 and 6mm captive screws.
See also the AR42 and AR46 Rosette Adapter to mount a rosette parallel to your cheese plate or top mount plate..