Vocas Flat base plate for USBP-15F Separate flat base plate for USBP-15F (0350-2001) which fits directly in Sachtler and third party ENG size tripod heads. Multiple 1/4'' and 3/8'' thread holes are integrated for attaching any third party tripod plate. This flat base plate is included with the USBP-15F (0350-2001).
