Metal Tripod Mount Ring Collar for Canon Lens EF 70-200mm F/2.8 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 : 78mm Ring breadth: 17.8mm Ring thickness: 3mm Color: white Made by metal The UNC (Unified National Coarse Thread) is 1/4 Quantity: Tripod Mount Ring x 1 Brand new, never used Suitable For Canon EF 70-200mm f/2.8L USM Canon EF 70-200mm f/2.8L IS USM