Canon YB2-1242 Decentering Collar
Genuine Canon decentering collar for the EF 70-200 4 L IS USM lenses. Made by Canon Japan. Package of 1 collar. The guide below shows where to measure the collars in your lens so you receive the correct size.
Use option to choose from available sizes.

Select options
This product has multiple variants. The options may be chosen on the product page