I am selling this item as I don't use it much. When not in use, it was stored with the cap on, in a place where it wouldn't get dusty. The cap is not included. I will wrap it in cushioning material for shipping. VILTROX metal mount adapter EF-GFX, designed for durability and reliability. - Brand: VILTROX - Model: Mount Adapter EF-GFX - Material: Metal - Color: Silver/Black Thank you for looking.