Gakko Piston is a unique stool with a comfortable 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 seat has a steel structure with “S” shape springs for extra flexibility and strength. This steel frame molded by injecting polyurethane foam. Bottega seat is upholstered with a removable velcro, enclosed leather, PPM, leatherette, wool as well as Camira organic wool slip cover. Gakko Piston may be upholstered with variety of other colors as a special order with a minimum quantity required. The Gakko Piston is suitable for both residential and commercial use. Gakko Piston is designed by the sohoConcept team. and commercial use. Gakko Piston is designed by Tayfur Ozkaynak.