DSLRKIT Metal Tripod Mount Ring D for Canon EF 100mm f/2.8L Macro is USM

Introduction
The tripod mount ring mount on the tripod, it helps you fix and balance your tele lens which is heavy or long lens hanging off the front of camera.
Right weight and strong building by third party. 100% fits Canon and does have same construction.

PRODUCT SPECIFICATIONS:
Ring diameter inside : 68.5mm
Ring breadth: 17.8mm
Ring thickness: 6.1mm
Color: black
Material: metal The UNC (Unified National Coarse Thread) is 1/4

Package Included:
Tripod Mount Ring D x 1

Suitable For: Canon EF 100mm f/2.8L Macro IS USM LENS