Canon TRIPOD MOUNT RING B (W) - This is a tripod mount. Compatible lenses: EF 300mm F4 L IS USM EF 35-350mm F3.5-5.6 L USM EF 100-400mm F4.5-5.6 L IS USM EF 70-200mm F2.8 L USM EF 70-200mm F2.8 L IS USM EF 70-200mm F2.8 L IS II USM EF 70-200mm F2.8 L IS III USM This item was received from a person in their 60s. They took good care of it, and as they said, the exterior is generally clean. While generally clean, please consider that this is a used item, so there may be some signs of use. I have confirmed its functionality, and there should be no particular problems. *If you are concerned about minor details, please refrain from bidding. Included accessories: Front and rear caps Regarding shipping, it will be wrapped in bubble wrap and placed in a cardboard box for Yu-Pack shipping. Other: ・Please purchase after understanding and agreeing to the description. ・As this is a used item, please refrain from purchasing if you are concerned about minor details. Management number: 1011548 au