https://www.fanuli.com.au/furniture/dining-room-furniture/stools/kitchen-stools/sharky-stool-aluminium/ 

This is an extremely durable product. It is a bar stool, it completely conforms to the chair and it becomes a comfortable chair, it is a bar stool, The two fin-shaped coupling elements remain between the frame and the frame; technical detail of the project. It is a distinguishing feature of a restaurant or a bar or hotel.