The file 'CLM-5/Cforce Mini 15mm To 19mm Adapter 3D Printer Model' is (stl) file type, size is 47.7KB.
A 3D printable version of ARRI part K2.0006175 - the fit is not as tight, but I have a few of these with my FIZ package in case of emergency. Printed with 100% infill in ColorFabb XT black.