JJC Tripod Mount Ring for Canon EF 70-200mm f/4L IS II USM, f/4L...
JJC Tripod Mount Ring for Canon EF 70-200mm f/4L IS II USM, EF 70-200mm f/4L and EF 70-200mm f/4L IS Lens. Item model number: JJC TR-1II. JJC TR-1II tripod mount ring replaces Canon Tripod Mount Ring A-2.