VEVOR Glass Clamp, 37.4" Height Glass Railing Bracket for 0.39 "-0.47 " Thickness Tempered Glass, 304 Stainless Steel Glass Mounting Clamp, Glass Shelf Bracket for Balcony, Garden, Deck, Stair, Black

Do you have any one sided versions of these posts for the end of the run of glass? Or do these come with caps to cover one of the dual side slots? Do they have a top cap like on some of the pictures?