Thank you for viewing this item m(__)m This is a Cokin adapter ring for the P series, with a diameter of 58mm! It's an aluminum adapter for attaching a Cokin filter holder to a 58mm diameter lens. It's not a new item, but the adapter ring is in good condition. Please check the photos carefully to confirm the condition of the item before purchasing. We cannot accept claims or returns regarding areas visible in the photos, so please be aware of this. *If you wish to purchase multiple items, we will discount the shipping cost, so please let us know in the comments.* 603