Corona Piston Full UPH is a contemporary stool with a comfortable full upholstered seat and backrest on an adjustable gas piston base which swivels and also adjusts easily from a counter height to a bar height with a lever that activates the gas piston mechanism. The solid steel round base is available in chrome or stainless steel. The stool is suitable for both residential and commercial use. Corona Piston Full UPH is designed by Namik Ozkaynak.