Genuine original Canon part, used. Canon original parts # YF2-2257

It's for CANON RF Lens 

RF 28-70mm F/2.8 L USM Lens.

RF 24-105mm F/4 L IS USM

RF 24-70mm F/2.8 L IS Lens

RF 70-200mm F/2.8 L IS USM lens

RF 15-35mm F/2.8 L IS USM lens

RF 100-500mm F/4.5-7.1 L IS USM lens.

*** Custom Declaration: If you have the concern, please message before or right after the purchase.